APA (7th ed.) Zitazioa
Koh, G. (2014). Singapore perspectives: Governance. World Scientific Publishing Company.
Chicago Style (17th ed.) Zitazioa
Koh, Gillian. Singapore Perspectives: Governance. Singapore ; Hackensack, New Jersey: World Scientific Publishing Company, 2014.
MLA (9th ed.) Zitazioa
Koh, Gillian. Singapore Perspectives: Governance. World Scientific Publishing Company, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.