Chin, C. Y. (1988). The aerospace industry in Singapore, November 1988. Economic Research Dept., DBS Bank.
Chicago Style aipamenaChin, Choy Yoon. The Aerospace Industry in Singapore, November 1988. Singapore: Economic Research Dept., DBS Bank, 1988.
MLA aipamenaChin, Choy Yoon. The Aerospace Industry in Singapore, November 1988. Economic Research Dept., DBS Bank, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.