APA-referens (7:e uppl.)

Sale, J., & Leonard, M. (2013). Discover the reproductive cells of chromosomes called haploid and diploid cells. Encyclopedia Britannica.

Chicago-referens (17:e uppl.)

Sale, Jennifer, och Melinda Leonard. Discover the Reproductive Cells of Chromosomes Called Haploid and Diploid Cells. Chicago, IL: Encyclopedia Britannica, 2013.

MLA-referens (9:e uppl.)

Sale, Jennifer, och Melinda Leonard. Discover the Reproductive Cells of Chromosomes Called Haploid and Diploid Cells. Encyclopedia Britannica, 2013.