APA (7th ed.) Citation

Singapore. Dept. of Civil Aviation. Civil aviation. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

Singapore. Dept. of Civil Aviation. Civil Aviation. [Singapore: Govt. Print. Off.].

MLA (8th ed.) Citation

Singapore. Dept. of Civil Aviation. Civil Aviation. Govt. Print. Off.].

Warning: These citations may not always be 100% accurate.