Gaya APA

PEARLMAN, D, D. (1985). Letter Perfect: An Abc For Business Writers (FIRST EDITION). Indianapolis: BOBBS-MERRILL EDUCATIONAL PUBLISHING.

Gaya MLA

PEARLMAN, Daniel, D.. "Letter Perfect: An Abc For Business Writers". FIRST EDITION Indianapolis: BOBBS-MERRILL EDUCATIONAL PUBLISHING, 1985. FAKULTAS TEKNIK.