Gaya APA
Robert C, Berg, Garry L. Landreth. (1990).
Group Counseling: Concepts and Procedures (Second Edition).
America:
Accelerated Development Inc..
Gaya Chicago
Robert C, Berg, Garry L. Landreth.
Group Counseling: Concepts and Procedures.
Second Edition
America:
Accelerated Development Inc.,
1990.
Text.
Gaya MLA
Robert C, Berg, Garry L. Landreth.
Group Counseling: Concepts and Procedures.
Second Edition
America:
Accelerated Development Inc.,
1990.
Text.
Gaya Turabian
Robert C, Berg, Garry L. Landreth.
Group Counseling: Concepts and Procedures.
Second Edition
America:
Accelerated Development Inc.,
1990.
Print.