APA Style
Directory of higher education courses 1981. (1981).
:
AGPS.
Chicago Style
Directory of higher education courses 1981.
1.
:
AGPS,
1981.
REF.
MLA Style
Directory of higher education courses 1981.
1.
:
AGPS,
1981.
REF.
Turabian Style
Directory of higher education courses 1981.
:
AGPS,
1981.
REF.