Gaya APA
Leenaars, A., A. (2004).
Psychotherapy With Suicidal People A Person-centred Approach .
Djerman:
John Wiley & Sons Ltd.
Gaya MLA
Leenaars, Antoon, A..
"Psychotherapy With Suicidal People A Person-centred Approach".
Djerman:
John Wiley & Sons Ltd,
2004.
Buku Pelajaran.