Cita APA (7th ed.)

DOCTOR & DOCTOR. (2013). BUSINESS COMMUNICATION (1.). SHETH.

Cita Chicago (17th ed.)

DOCTOR & DOCTOR. BUSINESS COMMUNICATION. 1. MUMBAI: SHETH, 2013.

Cita MLA (9th ed.)

DOCTOR & DOCTOR. BUSINESS COMMUNICATION. 1. SHETH, 2013.