APA (7e ed.) Bronvermelding

Krauskopf, K. B., & Beiser, A. (2017). The physical universe (Sixteenth edition.). McGraw-Hill Education.

Chicago (17e ed.) Bronvermelding

Krauskopf, Konrad B., en Arthur Beiser. The Physical Universe. Sixteenth edition. New York: McGraw-Hill Education, 2017.

MLA (9e ed.) Bronvermelding

Krauskopf, Konrad B., en Arthur Beiser. The Physical Universe. Sixteenth edition. McGraw-Hill Education, 2017.