Dyfyniad APA

Brinckerhoff, R. (1963). The Physical world: A course in physical science (2nd ed.). Harcourt.

Dyfyniad Arddull Chicago

Brinckerhoff, Richard. The Physical World: A Course in Physical Science. 2nd ed. New York: Harcourt, 1963.

Dyfyniad MLA

Brinckerhoff, Richard. The Physical World: A Course in Physical Science. 2nd ed. Harcourt, 1963.

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