Gaya APA
Research methods social for work. (2011).
London:
Peace Publishers.
Gaya Chicago
Research methods social for work.
Ed. 2.
London:
Peace Publishers,
2011.
Referensi.
Gaya MLA
Research methods social for work.
Ed. 2.
London:
Peace Publishers,
2011.
Referensi.
Gaya Turabian
Research methods social for work.
London:
Peace Publishers,
2011.
Referensi.