APA

Awwad M., Salloum A. A., . (2006). Business communication skills. : .

Chicago

Awwad Mohammad, Salloum Adel Akram, . 2006. Business communication skills. : .

Harvard

Awwad M., Salloum A. A., . (2006). Business communication skills. : .

MLA

Awwad Mohammad, Salloum Adel Akram, . Business communication skills. : . 2006.