Gaya APA

Soil Micro-organisms. (1979). London: Longman.

Gaya Chicago

Soil Micro-organisms. . London: Longman, 1979. Buku.

Gaya MLA

Soil Micro-organisms. . London: Longman, 1979. Buku.

Gaya Turabian

Soil Micro-organisms. London: Longman, 1979. Buku.