(1966). Rock, time, and landforms.
Tohutoru Kātū Chicago (17th ed.)Rock, Time, and Landforms. 1966.
Tohutoro MLA (9th ed.)Rock, Time, and Landforms. 1966.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)