Gaya APA

s.si.m.pd, E, A., widdowson, H. (1998). Psycholinguistics (First Edition). New York: oxford univ. press.

Gaya MLA

s.si.m.pd, Ervin, Azhar,., widdowson, H.g.. "Psycholinguistics". First Edition New York: oxford univ. press, 1998. Text.