Gaya APA
Online Counseling: A Handbook for mental health professionals. (2011).
London:
Elsevier Inc & Academic Press.
Gaya Chicago
Online Counseling: A Handbook for mental health professionals.
2nd.
London:
Elsevier Inc & Academic Press,
2011.
Buku.
Gaya MLA
Online Counseling: A Handbook for mental health professionals.
2nd.
London:
Elsevier Inc & Academic Press,
2011.
Buku.
Gaya Turabian
Online Counseling: A Handbook for mental health professionals.
London:
Elsevier Inc & Academic Press,
2011.
Buku.