Ooi, D. (2008). The Malaysia book of records (Dwibahasa ed.). Malaysia Book of Records.
Chicago-referens (17:e uppl.)Ooi, Danny. The Malaysia Book of Records. Dwibahasa ed. Malaysia Book of Records, 2008.
MLA-referens (8:e uppl.)Ooi, Danny. The Malaysia Book of Records. Dwibahasa ed. Malaysia Book of Records, 2008.
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