Gaya APA
Schafer, W. (1998).
Stress Management for Wellness(Fourth Edition) (Ed.4).
Australia:
Thomson Warsworth.
Gaya MLA
Schafer, Walt.
"Stress Management for Wellness(Fourth Edition)".
Ed.4
Australia:
Thomson Warsworth,
1998.
Hibah Buku Dra. Anita Lestari,.