Anon. (2012). Short Course on Essential Oil Extraction (Fragrance) and Product Diversification: Theory and Practical. Universiti Malaysia Perlis (UniMAP).
استشهاد بنمط شيكاغوAnon. Short Course On Essential Oil Extraction (Fragrance) and Product Diversification: Theory and Practical. Universiti Malaysia Perlis (UniMAP), 2012.
MLA استشهادAnon. Short Course On Essential Oil Extraction (Fragrance) and Product Diversification: Theory and Practical. Universiti Malaysia Perlis (UniMAP), 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.