Gaya APA
NICHOLS, J.E.. (1957).
Livestock Improvement (4th. ed.).
Iowa:
The Iowa State College Press.
Gaya Chicago
NICHOLS, J.E..
Livestock Improvement.
4th. ed.
Iowa:
The Iowa State College Press,
1957.
Teks.
Gaya MLA
NICHOLS, J.E..
Livestock Improvement.
4th. ed.
Iowa:
The Iowa State College Press,
1957.
Teks.
Gaya Turabian
NICHOLS, J.E..
Livestock Improvement.
4th. ed.
Iowa:
The Iowa State College Press,
1957.
Teks.