Gaya APA
Grolier Universal Encyclopedia Volume 16 (P-R). (1970).
New York:
Grolier Incorporated.
Gaya Chicago
Grolier Universal Encyclopedia Volume 16 (P-R).
Volume 16 (P-R), 1970.
New York:
Grolier Incorporated,
1970.
Text.
Gaya MLA
Grolier Universal Encyclopedia Volume 16 (P-R).
Volume 16 (P-R), 1970.
New York:
Grolier Incorporated,
1970.
Text.
Gaya Turabian
Grolier Universal Encyclopedia Volume 16 (P-R).
New York:
Grolier Incorporated,
1970.
Print.