Gaya APA

King, F, W. (1986). ENGLISH BUSINESS LETTERS :COMMERCIAL CORRESPONDENCE FR FOREIGHN STUDEN NEW EDITION (cet.3). : Kanisius.

Gaya MLA

King, F., W.. "ENGLISH BUSINESS LETTERS :COMMERCIAL CORRESPONDENCE FR FOREIGHN STUDEN NEW EDITION". cet.3 : Kanisius, 1986. Buku.