APA引文

R.R. Bowker Company. (1987). Books in print. .R.R. Bowker Co.

Chicago Style (17th ed.) Citation

R.R. Bowker Company. Books in Print. New Jersey: .R.R. Bowker Co, 1987.

MLA引文

R.R. Bowker Company. Books in Print. .R.R. Bowker Co, 1987.

警告：這些引文格式不一定是100％准確.