Gillaly, J. (1968). Principles of geology. W. H. Freeman.
Tohutoru Kātū Chicago (17th ed.)Gillaly, James. Principles of Geology. San Francisco: W. H. Freeman, 1968.
Tohutoro MLA (9th ed.)Gillaly, James. Principles of Geology. W. H. Freeman, 1968.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.