Cita APA (7th ed.)

Krauskopf, K. B., & Beiser, A. (2006). The physical universe. McGraw - Hill.

Cita Chicago (17th ed.)

Krauskopf, Konrad B., i Arthur Beiser. The Physical Universe. Boston: McGraw - Hill, 2006.

Cita MLA (9th ed.)

Krauskopf, Konrad B., i Arthur Beiser. The Physical Universe. McGraw - Hill, 2006.