Gaya APA

Jeffries, J, R., Bates, J, D. (1983). The executive's guied to meetings, conferences, & Audiovisual presentations . America: McGraw Hill.

Gaya MLA

Jeffries, James, R.., Bates, Jefferson, D.. "The executive's guied to meetings, conferences, & Audiovisual presentations". America: McGraw Hill, 1983. Text.