Gaya APA
Slaikeu, K, A. (1990).
Crisis intervention : a handbook for practice and research (2nd ed).
Boston, MA:
Allyn and Bacon.
Gaya MLA
Slaikeu, Karl, A..
"Crisis intervention : a handbook for practice and research".
2nd ed
Boston, MA:
Allyn and Bacon,
1990.
Text.