APA Style

Tan, K, H., Goenadi, D, H. (1991). Dasar-Dasar Kimia Tanah: Principles of Soil Chemistry . Yogyakarta: Gadjah Mada Universitas Press.

MLA Style

Tan, Kim, H.., Goenadi, Didiek, Hadjar. "Dasar-Dasar Kimia Tanah: Principles of Soil Chemistry". Yogyakarta: Gadjah Mada Universitas Press, 1991. Text.