Gaya APA
College of Agriculture University of Missiouri-Columbia. (1990).
:
.
Gaya Chicago
College of Agriculture University of Missiouri-Columbia.
.
:
,
1990.
Textbook.
Gaya MLA
College of Agriculture University of Missiouri-Columbia.
.
:
,
1990.
Textbook.
Gaya Turabian
College of Agriculture University of Missiouri-Columbia.
:
,
1990.
Textbook.