Gaya APA

Ellman, P. (2014). English Grammar For Economics And Business: For Students & Professors With English as a Foreign Language: 2nd Ed. . United States of America: bookboon.

Gaya MLA

Ellman, Patricia. "English Grammar For Economics And Business: For Students & Professors With English as a Foreign Language: 2nd Ed.". United States of America: bookboon, 2014. Text.