APA引文

Norton, H. R. (1919). A textbook on retail selling. Ginn and Company.

Chicago Style (17th ed.) Citation

Norton, Helen Rich. A Textbook on Retail Selling. Boston : New York [etc.]: Ginn and Company, 1919.

MLA引文

Norton, Helen Rich. A Textbook on Retail Selling. Ginn and Company, 1919.