APA

Williams E. E., Manzo S. E., . (1983). Business planning for the entrepreneur: how to write and execute a business plan. New York: Van Nostrand Reinhold.

Chicago

Williams Edward E, Manzo Salvatore E, . 1983. Business planning for the entrepreneur: how to write and execute a business plan. New York: Van Nostrand Reinhold.

Harvard

Williams E. E., Manzo S. E., . (1983). Business planning for the entrepreneur: how to write and execute a business plan. New York: Van Nostrand Reinhold.

MLA

Williams Edward E, Manzo Salvatore E, . Business planning for the entrepreneur: how to write and execute a business plan. New York: Van Nostrand Reinhold. 1983.