Chia Lin Sien & Tan Chwee Huat. (1976). Organization and financing of domestic transportation in Singapore. ACDA/SEATAC.
Chicago-viite (17. p.)Chia Lin Sien ja Tan Chwee Huat. Organization and Financing of Domestic Transportation in Singapore. Kuala Lumpur: ACDA/SEATAC, 1976.
MLA-viite (9. p.)Chia Lin Sien ja Tan Chwee Huat. Organization and Financing of Domestic Transportation in Singapore. ACDA/SEATAC, 1976.
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