Gaya APA
Vaughan, R, P, S. ( 1969)).
An introduction to religious counseling: a christian humanistic approach. .
(New Jersey:
Prentice-Hall inc.
Gaya MLA
Vaughan, Richard, P.,, S.J..
"An introduction to religious counseling: a christian humanistic approach. ".
(New Jersey:
Prentice-Hall inc,
1969).
Buku.