Gaya APA
Collings, Gilbearth H.. (1962).
Commercial fertilizers: Their sources and use (text).
New York:
Tata McGraw Hill Publishing Company.
Gaya Chicago
Collings, Gilbearth H..
Commercial fertilizers: Their sources and use.
text
New York:
Tata McGraw Hill Publishing Company,
1962.
Tesis.
Gaya MLA
Collings, Gilbearth H..
Commercial fertilizers: Their sources and use.
text
New York:
Tata McGraw Hill Publishing Company,
1962.
Tesis.
Gaya Turabian
Collings, Gilbearth H..
Commercial fertilizers: Their sources and use.
text
New York:
Tata McGraw Hill Publishing Company,
1962.
Tesis.