APA引文

Konrad B Krauskopf. (1993). Study guide to accompany Krauskopf and Beiser: The physical universe. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Konrad B Krauskopf. Study Guide to Accompany Krauskopf and Beiser: The Physical Universe. New York: McGraw-Hill, 1993.

MLA引文

Konrad B Krauskopf. Study Guide to Accompany Krauskopf and Beiser: The Physical Universe. New York: McGraw-Hill, 1993.

警告：這些引文格式不一定是100％准確.