DIWAN PARAG. (1998). MANAGEMENT PRINCIPLES AND PRACTICES. EXCEL BOOK.
Chicago Style aipamenaDIWAN PARAG. MANAGEMENT PRINCIPLES AND PRACTICES. NEW DELHI: EXCEL BOOK, 1998.
MLA aipamenaDIWAN PARAG. MANAGEMENT PRINCIPLES AND PRACTICES. EXCEL BOOK, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.