Gaya APA

Morrisey, G, L., Sechrest, T, L. (1987). Effective bussiness and technical presentations (3rd ed). New York: Addison-Wesley.

Gaya MLA

Morrisey, George, L.., Sechrest, Thomas, L.. "Effective bussiness and technical presentations". 3rd ed New York: Addison-Wesley, 1987. Text.