SHARMA MOTILAL EDT. (1985). SYSTEMS APPROACH: ITS APPLICATIONS IN EDUCATION. HIMALAYA PUBLISHING HOUSE.
Chicago-referens (17:e uppl.)SHARMA MOTILAL EDT. SYSTEMS APPROACH: ITS APPLICATIONS IN EDUCATION. MUMBAI: HIMALAYA PUBLISHING HOUSE, 1985.
MLA-referens (9:e uppl.)SHARMA MOTILAL EDT. SYSTEMS APPROACH: ITS APPLICATIONS IN EDUCATION. HIMALAYA PUBLISHING HOUSE, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.