Gaya APA
Kepner, R.A.. (1978).
Principles of farm machinery (text).
Wetsport:
Avi Publishing Company.
Gaya Chicago
Kepner, R.A..
Principles of farm machinery.
text
Wetsport:
Avi Publishing Company,
1978.
Tesis.
Gaya MLA
Kepner, R.A..
Principles of farm machinery.
text
Wetsport:
Avi Publishing Company,
1978.
Tesis.
Gaya Turabian
Kepner, R.A..
Principles of farm machinery.
text
Wetsport:
Avi Publishing Company,
1978.
Tesis.