Gaya APA

Barnard, Roger. (1993). Business venture 2 . : .

Gaya Chicago

Barnard, Roger. Business venture 2. : , 1993. .

Gaya MLA

Barnard, Roger. Business venture 2. : , 1993. .

Gaya Turabian

Barnard, Roger. Business venture 2. : , 1993. .