Gaya APA

Jeffries, J, R., Bates, J, D. (1983). The Executive's Guide To Meetings, Conferences & Audiovisual Presentations . USA: McGraw-Hill, Inc.

Gaya MLA

Jeffries, James, R.., Bates, Jefferson, D.. "The Executive's Guide To Meetings, Conferences & Audiovisual Presentations". USA: McGraw-Hill, Inc, 1983. Text.