For more details on this variation of a bioretention feature and the other two previously mentioned, read the City of Toronto's Green Streets Technical Guidelines (GSTG).<ref>City of Toronto. 2017. City of Toronto's Green Streets Technical Guidelines - Version 1.0. Schollen & Company Inc., Urban Forest Innovators, TMIG, DMG. August, 2017. https://www.toronto.ca/legdocs/mmis/2017/pw/bgrd/backgroundfile-107514.pdf</ref>
*[https://www.toronto.ca/ext/digital_comm/pdfs/transportation-services/green-streets-technical-guidelines-document-v2-17-11-08.pdf/ City of Toronto Green Streets Technical Guidelines - Version 1.0 (2017) Schollen & Company Inc., Urban Forest Innovators, TMIG, DMG]
*[https://www.toronto.ca/legdocs/mmis/2017/pw/bgrd/backgroundfile-107514.pdf/ City of Toronto Green Streets Technical Guidelines - Version 1.0 (2017) Schollen & Company Inc., Urban Forest Innovators, TMIG, DMG]
*[https://store.csagroup.org/?cclcl=en_US/ CSA W200-18 Design of Bioretention Systems (2018) CSA Group]
*[https://store.csagroup.org/?cclcl=en_US/ CSA W200-18 Design of Bioretention Systems (2018) CSA Group]
*[https://store.csagroup.org/?cclcl=en_US/ CSA W201-18 Construction of Bioretention Systems (2018) CSA Group]
*[https://store.csagroup.org/?cclcl=en_US/ CSA W201-18 Construction of Bioretention Systems (2018) CSA Group]