Styl cytowania APA

Belen, R. C. (1973). How to negotiate a business loan (a.). Van Nostrand Reinhold.

Styl cytowania Chicago

Belen, Richard C. How to Negotiate a Business Loan. a. New York: Van Nostrand Reinhold, 1973.

Styl cytowania MLA

Belen, Richard C. How to Negotiate a Business Loan. a. Van Nostrand Reinhold, 1973.