Gaya APA
Asperen, T, V. (1989).
Professional confidentiality.A response to : Hal. 61-65 (Nicholas Peter Harvey). .
:
.
Gaya MLA
Asperen, Trudy, Van.
"Professional confidentiality.A response to : Hal. 61-65 (Nicholas Peter Harvey). ".
:
,
1989.
Majalah.