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.