Tianwan, G. (1987). A Practical Guide To Export Import & Banking Goh Tianwan. Singapore Rank Books 1987.
Čikaški stil citiranja (17. izdanje)Tianwan, Goh. A Practical Guide To Export Import & Banking Goh Tianwan. Singapore Rank Books 1987, 1987.
MLA način citiranja (8. izdanje)Tianwan, Goh. A Practical Guide To Export Import & Banking Goh Tianwan. Singapore Rank Books 1987, 1987.
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