Gaya APA

SECHREST, T, L., MORRISEY, G, L. (1987). Loud and Clear (1). : Addison-Wesley Publ.Co.

Gaya MLA

SECHREST, Thomas, L.., MORRISEY, George, L.. "Loud and Clear". 1 : Addison-Wesley Publ.Co, 1987. Textbook.