Gaya APA
Fertilizer nitrogen: Hs Chemistry and technology. (1963).
New York:
Reinhold Book Corpporation.
Gaya Chicago
Fertilizer nitrogen: Hs Chemistry and technology.
text.
New York:
Reinhold Book Corpporation,
1963.
Tesis.
Gaya MLA
Fertilizer nitrogen: Hs Chemistry and technology.
text.
New York:
Reinhold Book Corpporation,
1963.
Tesis.
Gaya Turabian
Fertilizer nitrogen: Hs Chemistry and technology.
New York:
Reinhold Book Corpporation,
1963.
Tesis.