APA Style
Collings, Gilbeart H.. (1955).
Commercial Fertilizers (5).
Canada:
McGraw-Hill Book Company.
Chicago Style
Collings, Gilbeart H..
Commercial Fertilizers.
5
Canada:
McGraw-Hill Book Company,
1955.
Buku Teks.
MLA Style
Collings, Gilbeart H..
Commercial Fertilizers.
5
Canada:
McGraw-Hill Book Company,
1955.
Buku Teks.
Turabian Style
Collings, Gilbeart H..
Commercial Fertilizers.
5
Canada:
McGraw-Hill Book Company,
1955.
Buku Teks.