Gaya APA
Sipherd, R. et al (1990).
Reader's Digest Condesed Books: volume 2. 1990 .
Amerika:
The Reader\'s Digest Association.
Gaya MLA
Sipherd, Ray. et al.
"Reader's Digest Condesed Books: volume 2. 1990".
Amerika:
The Reader\'s Digest Association,
1990.
Text.