APA aipamena

LIU, G. (2005). The Singapore foreign service: The first 40 years. Editions Didier Millet.

Chicago Style aipamena

LIU, Gretchen. The Singapore Foreign Service: The First 40 Years. Editions Didier Millet, 2005.

MLA aipamena

LIU, Gretchen. The Singapore Foreign Service: The First 40 Years. Editions Didier Millet, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.