Dyfyniad APA

Krauskopf, K. B. (2006). The physical universe. Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Krauskopf, Konrad Bates. The Physical Universe. Boston: McGraw-Hill Higher Education, 2006.

Dyfyniad MLA

Krauskopf, Konrad Bates. The Physical Universe. Boston: McGraw-Hill Higher Education, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.