APA aipamena

Krauskopf, K. B., & Beiser, A. (1997). The physical universe (8th ed.). WBC/McGraw-Hill.

Chicago Style aipamena

Krauskopf, Konrad B., and Arthur Beiser. The Physical Universe. 8th ed. Boston: WBC/McGraw-Hill, 1997.

MLA aipamena

Krauskopf, Konrad B., and Arthur Beiser. The Physical Universe. 8th ed. WBC/McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.