Penggayaan APA
The World Book Encyclopedia W-X-Y-Z vol. 21. (1981).
Amerika:
World Book - Child Craft International Inc..
Chicago Style
The World Book Encyclopedia W-X-Y-Z vol. 21.
.
Amerika:
World Book - Child Craft International Inc.,
1981.
Text.
MLA Style
The World Book Encyclopedia W-X-Y-Z vol. 21.
.
Amerika:
World Book - Child Craft International Inc.,
1981.
Text.
Turabian Style
The World Book Encyclopedia W-X-Y-Z vol. 21.
Amerika:
World Book - Child Craft International Inc.,
1981.
Print.