24139, C. D. o. P. H. A. Facts on foam and condoms. Toronto, CA: Department of Public Health.
Citazione stile Chigago Style (17a edizione)24139, Canadá. Department of Public Health Autoría. Facts on Foam and Condoms. Toronto, CA: Department of Public Health.
Citatione MLA (9a ed.)24139, Canadá. Department of Public Health Autoría. Facts on Foam and Condoms. Toronto, CA: Department of Public Health.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.