Gaya APA
Kepner, R.A.. (1972).
Principles of farm machinery (text).
Westport:
Avi.
Gaya Chicago
Kepner, R.A..
Principles of farm machinery.
text
Westport:
Avi,
1972.
.
Gaya MLA
Kepner, R.A..
Principles of farm machinery.
text
Westport:
Avi,
1972.
.
Gaya Turabian
Kepner, R.A..
Principles of farm machinery.
text
Westport:
Avi,
1972.
.