Gaya APA
Stewart, C, J., Cash, W, B.
(1982).
Interviewing principles and practices
(
13 th ed)
.
Dubuque:
Brown.
Gaya MLA
Stewart, Charles, J.., Cash, William, B..
"Interviewing principles and practices".
13 th ed
Dubuque:
Brown,
1982.
Text.