Gaya APA
Fries, J, F., Vickery, D, M, .
(1989).
Take Care Of Yourself
(
Ed 4)
.
California:
Addiso Wesley.
Gaya MLA
Fries, James, F., Vickery, Donal, M., .
"Take Care Of Yourself".
Ed 4
California:
Addiso Wesley,
1989.
Text.