I M Crawford. (1997). Marketing and agribusiness texts; No.4: Marketing research and information systems. Rome, Italy: FAO.
استشهاد بنمط شيكاغوI M Crawford. Marketing and Agribusiness Texts; No.4: Marketing Research and Information Systems. Rome, Italy: FAO, 1997.
MLA استشهادI M Crawford. Marketing and Agribusiness Texts; No.4: Marketing Research and Information Systems. Rome, Italy: FAO, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.