Calow, P., & Forbes, V. E. (1997). Malacca Straits: Initial risk assessment. GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Calow, Peter, و Valery E. Forbes. Malacca Straits: Initial Risk Assessment. Manila, Philippines: GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Calow, Peter, و Valery E. Forbes. Malacca Straits: Initial Risk Assessment. GEF/UNDP/IMO Regional Programme for the Prevention and Management of Marine Pollution in the East Asian Seas, 1997.
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