Gaya APA
JONES, Richard nelson. (1997).
Practical counselling dan helping skills .
London:
British library cataloguing.
Gaya Chicago
JONES, Richard nelson.
Practical counselling dan helping skills.
London:
British library cataloguing,
1997.
Text.
Gaya MLA
JONES, Richard nelson.
Practical counselling dan helping skills.
London:
British library cataloguing,
1997.
Text.
Gaya Turabian
JONES, Richard nelson.
Practical counselling dan helping skills.
London:
British library cataloguing,
1997.
Print.