Gaya APA
Jones, J, E., Pfeiffer, J, W. (1975).
The 1975 Annual Handbook for Group Facilitators .
California:
University Asosiate.
Gaya MLA
Jones, John, E.., Pfeiffer, J., William.
"The 1975 Annual Handbook for Group Facilitators".
California:
University Asosiate,
1975.
Text.