APA Style

Courtis, J. (1986). The 44 most common management mistakes and how to avoid them / John Courtis (1). New Delhi: Universal Book Stall.

MLA Style

Courtis, John. "The 44 most common management mistakes and how to avoid them / John Courtis". 1 New Delhi: Universal Book Stall, 1986. Textbook ห้องสมุดทั่วไป.