Singapore Numismatic Association. (1972). Culture through coins: Singapore numismatic exhibition 1972.
Citace podle Chicago (17th ed.)Singapore Numismatic Association. Culture Through Coins: Singapore Numismatic Exhibition 1972. [Singapore, 1972.
Citace podle MLA (8th ed.)Singapore Numismatic Association. Culture Through Coins: Singapore Numismatic Exhibition 1972. 1972.
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