APA-referens

William L Ramsey [et al.]. (1988). Holt physical science. New York: Holt, Rinehart and Winston.

Chicago-stil citat

William L Ramsey [et al.]. Holt Physical Science. New York: Holt, Rinehart and Winston, 1988.

MLA-referens

William L Ramsey [et al.]. Holt Physical Science. New York: Holt, Rinehart and Winston, 1988.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.