Ashoor, M. S., & Khurshid, Z. (1987). User Reactions to the Online Catalog at the University of Petroleum and Minerals Library.
Citazione stile Chigago Style (17a edizione)Ashoor, Mohammed Saleh, e Zahiruddin Khurshid. User Reactions to the Online Catalog at the University of Petroleum and Minerals Library. 1987.
Citatione MLA (9a ed.)Ashoor, Mohammed Saleh, e Zahiruddin Khurshid. User Reactions to the Online Catalog at the University of Petroleum and Minerals Library. 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.