Gaya APA
Switzer, D, K.
(1987).
The minister as crisis counselor, 3rd. pr. Cet.pertama 1974.
.
Nashville:
Abingdon.
Gaya MLA
Switzer, David, K..
"The minister as crisis counselor, 3rd. pr. Cet.pertama 1974. ".
Nashville:
Abingdon,
1987.
Buku.