Penggayaan APA

MENGEL, Konrad. (1978). Principles of plant nutrion jilid I . Switzerland: International Potash Institute.

Chicago Style

MENGEL, Konrad. Principles of plant nutrion jilid I. Switzerland: International Potash Institute, 1978. Buku.

MLA Style

MENGEL, Konrad. Principles of plant nutrion jilid I. Switzerland: International Potash Institute, 1978. Buku.

Turabian Style

MENGEL, Konrad. Principles of plant nutrion jilid I. Switzerland: International Potash Institute, 1978. Buku.