Gaya APA
Gilbert, Felix, Stephen R. Graubard. (1972).
Historical Studies Today .
Amerika:
George J.McLeod Limited.
Gaya Chicago
Gilbert, Felix, Stephen R. Graubard.
Historical Studies Today.
Amerika:
George J.McLeod Limited,
1972.
.
Gaya MLA
Gilbert, Felix, Stephen R. Graubard.
Historical Studies Today.
Amerika:
George J.McLeod Limited,
1972.
.
Gaya Turabian
Gilbert, Felix, Stephen R. Graubard.
Historical Studies Today.
Amerika:
George J.McLeod Limited,
1972.
.