Gaya APA

CLARK, J, L. (1984). How 4: a handbook for office workers Edisi 4 (FOURTH EDITION). boston: KENT PUBLISHING COMPANY.

Gaya MLA

CLARK, James, L.. "How 4: a handbook for office workers Edisi 4". FOURTH EDITION boston: KENT PUBLISHING COMPANY, 1984. FAKULTAS EKONOMI.