Oakland Publis Schools. (1954). Tentative guide: Tenth-grade science biology. [s.n.].
Chicago-referens (17:e uppl.)Oakland Publis Schools. Tentative Guide: Tenth-grade Science Biology. Oakland: [s.n.], 1954.
MLA-referens (9:e uppl.)Oakland Publis Schools. Tentative Guide: Tenth-grade Science Biology. [s.n.], 1954.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.