Cita APA

Pitman, B., & Howard, J. B. (1915). Business letters ..: In the amanuensis style of phonography. Phonographic Institute Co..

Citación estilo Chicago

Pitman, Benn, and Jerome B. Howard. Business Letters ..: In the Amanuensis Style of Phonography. Cincinnati: Phonographic Institute Co., 1915.

Cita MLA

Pitman, Benn, and Jerome B. Howard. Business Letters ..: In the Amanuensis Style of Phonography. Phonographic Institute Co., 1915.