Lam, P. L. (1969). Singapore Tourist Promotion Board: A study in reorganisation. Singapore Tourist Promotion Board.
Citace podle Chicago (17th ed.)Lam, Peng Loon. Singapore Tourist Promotion Board: A Study in Reorganisation. Singapore: Singapore Tourist Promotion Board, 1969.
Citace podle MLA (8th ed.)Lam, Peng Loon. Singapore Tourist Promotion Board: A Study in Reorganisation. Singapore Tourist Promotion Board, 1969.
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