Gaya APA
Psychology and Aging Vol.20 No.3-4. (2005).
Washington, DC:
APA.
Gaya Chicago
Psychology and Aging Vol.20 No.3-4.
.
Washington, DC:
APA,
2005.
Lain-lain.
Gaya MLA
Psychology and Aging Vol.20 No.3-4.
.
Washington, DC:
APA,
2005.
Lain-lain.
Gaya Turabian
Psychology and Aging Vol.20 No.3-4.
Washington, DC:
APA,
2005.
Lain-lain.