Gaya APA
Wynar, Bohdan S.. (1990).
American reference books annual 1990 .
Englewood, CO:
Libraries Unlimited.
Gaya Chicago
Wynar, Bohdan S..
American reference books annual 1990.
Englewood, CO:
Libraries Unlimited,
1990.
Text.
Gaya MLA
Wynar, Bohdan S..
American reference books annual 1990.
Englewood, CO:
Libraries Unlimited,
1990.
Text.
Gaya Turabian
Wynar, Bohdan S..
American reference books annual 1990.
Englewood, CO:
Libraries Unlimited,
1990.
Print.