APA引文

Berry, T. (2010). Sales and Market Forecasting for Entrepreneurs. Business Expert Press.

Trích dẫn kiểu Chicago

Berry, Tim. Sales and Market Forecasting for Entrepreneurs. Business Expert Press, 2010.

MLA引文

Berry, Tim. Sales and Market Forecasting for Entrepreneurs. Business Expert Press, 2010.

警告：這些引文格式不一定是100％准確.