APA Style

BARKER, F, I. (1968). bUKU LATIHAN VISUAL BASIC 4.0 . united states of america: ADDISON-WESLEY PUBLIHING COMPANY, INC..

MLA Style

BARKER, FORREST, I.. "bUKU LATIHAN VISUAL BASIC 4.0". united states of america: ADDISON-WESLEY PUBLIHING COMPANY, INC., 1968. Text.