productivity Services International. (1971). Handbook of 100 new small industry schemes part II. Productivity services international.
استشهاد بنمط شيكاغوproductivity Services International. Handbook of 100 New Small Industry Schemes Part II. Bombay: Productivity services international, 1971.
MLA استشهادproductivity Services International. Handbook of 100 New Small Industry Schemes Part II. Productivity services international, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.