Penggayaan APA
SPERRY, Len. (1974).
Contact counseling : .
Reading, Massachusetts:
Addison-Wesley.
Chicago Style
SPERRY, Len.
Contact counseling :.
Reading, Massachusetts:
Addison-Wesley,
1974.
Buku.
MLA Style
SPERRY, Len.
Contact counseling :.
Reading, Massachusetts:
Addison-Wesley,
1974.
Buku.
Turabian Style
SPERRY, Len.
Contact counseling :.
Reading, Massachusetts:
Addison-Wesley,
1974.
Buku.