Tohutoro APA (7th ed.)

Buol, S. S., Southard, R. R., Graham, R. R., & McDaniel, P. P. (2003). Soil genesis and classification (fifth edition.).

Tohutoru Kātū Chicago (17th ed.)

Buol, S.W. Stanley, R.J. Randal Southard, R.C. Robert Graham, me P.A. Paul McDaniel. Soil Genesis and Classification. fifth edition. 2003.

Tohutoro MLA (9th ed.)

Buol, S.W. Stanley, et al. Soil Genesis and Classification. fifth edition. 2003.