APA-ийн эшлэл(7 дахь хэвлэлт)

Leigh, A. (1999). The ultimate business presentation book. Random House.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Leigh, Andrew. The Ultimate Business Presentation Book. London: Random House, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Leigh, Andrew. The Ultimate Business Presentation Book. Random House, 1999.