KOH, A. (1993). SWIP: Comparison with Other Fuel Oil Price Benchmarks. Institutional Knowledge at Singapore Management University.
استشهاد بنمط شيكاغوKOH, Annie. SWIP: Comparison With Other Fuel Oil Price Benchmarks. Institutional Knowledge at Singapore Management University, 1993.
MLA استشهادKOH, Annie. SWIP: Comparison With Other Fuel Oil Price Benchmarks. Institutional Knowledge at Singapore Management University, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.