Tohutoro APA (7th ed.)

Skinner,Brain J. (1969). Earths History, Stucture and Materials (10th ed.). WILLIAM KAUFMANN.

Tohutoru Kātū Chicago (17th ed.)

Skinner,Brain J. Earths History, Stucture and Materials. 10th ed. California: WILLIAM KAUFMANN, 1969.

Tohutoro MLA (9th ed.)

Skinner,Brain J. Earths History, Stucture and Materials. 10th ed. WILLIAM KAUFMANN, 1969.