Gaya APA
Behaviour modification: principles and procedures. (2004).
California:
Wadsworth Publishing Co..
Gaya Chicago
Behaviour modification: principles and procedures.
3rd.
California:
Wadsworth Publishing Co.,
2004.
Buku.
Gaya MLA
Behaviour modification: principles and procedures.
3rd.
California:
Wadsworth Publishing Co.,
2004.
Buku.
Gaya Turabian
Behaviour modification: principles and procedures.
California:
Wadsworth Publishing Co.,
2004.
Buku.