APA aipamena

Singapore Book Publishers Association. Directory of members - Singapore Book Publishers Association. Singapore Book Publishers Association.

Chicago Style aipamena

Singapore Book Publishers Association. Directory of Members - Singapore Book Publishers Association. [Singapore]: Singapore Book Publishers Association.

MLA aipamena

Singapore Book Publishers Association. Directory of Members - Singapore Book Publishers Association. Singapore Book Publishers Association.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.