Gaya APA
Taylor, D, S., Wright, P, L. (1988).
DEVELOPING INTERPERSONAL SKILLS through tutored practice .
USA:
Prentice Hall International.
Gaya MLA
Taylor, David, S.., Wright, Peter, L..
"DEVELOPING INTERPERSONAL SKILLS through tutored practice".
USA:
Prentice Hall International,
1988.
Teksbook.