Trim, H. (2011). Brief Periods of Sunshine: A History of the Canadian Government’s Attempt to Build a Solar Heating Industry, 1974-1983. https://doi.org/10.7202/1014346ar
Chicago-Zitierstil (17. Ausg.)Trim, Henry. Brief Periods of Sunshine: A History of the Canadian Government’s Attempt to Build a Solar Heating Industry, 1974-1983. 2011. https://doi.org/10.7202/1014346ar.
MLA-Zitierstil (9. Ausg.)Trim, Henry. Brief Periods of Sunshine: A History of the Canadian Government’s Attempt to Build a Solar Heating Industry, 1974-1983. 2011. https://doi.org/10.7202/1014346ar.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.