James, G. W. The Grand Canyon of Arizona: How to See It.
Tohutoru Kātū Chicago (17th ed.)James, George Wharton. The Grand Canyon of Arizona: How to See It.
Tohutoro MLA (9th ed.)James, George Wharton. The Grand Canyon of Arizona: How to See It.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.