Gaya APA
Duck, Steve. (2007).
Human Relationships .
London:
Sage Publications.
Gaya Chicago
Duck, Steve.
Human Relationships.
London:
Sage Publications,
2007.
.
Gaya MLA
Duck, Steve.
Human Relationships.
London:
Sage Publications,
2007.
.
Gaya Turabian
Duck, Steve.
Human Relationships.
London:
Sage Publications,
2007.
.