APA-referens (7:e uppl.)

ASHWATHAPPA K. (1996). ESSENTIAL OF BUSINESS ENVIRONMENT (4TH.). HPH.

Chicago-referens (17:e uppl.)

ASHWATHAPPA K. ESSENTIAL OF BUSINESS ENVIRONMENT. 4TH. MUMBAI: HPH, 1996.

MLA-referens (9:e uppl.)

ASHWATHAPPA K. ESSENTIAL OF BUSINESS ENVIRONMENT. 4TH. HPH, 1996.