Gaya APA
Frey, J, H., Oishi, S, M. (1995).
How to Conduct Interviews by Telephone and in Person .
California:
Sage Publications.
Gaya MLA
Frey, James, H., Oishi, Sabine, Mertens.
"How to Conduct Interviews by Telephone and in Person".
California:
Sage Publications,
1995.
Text.