APA引文

Lockley, L. C. (1952). Making letters build business. s.n.

Chicago Style (17th ed.) Citation

Lockley, Lawrence Campbell. Making Letters Build Business. Los Angeles: s.n, 1952.

MLA引文

Lockley, Lawrence Campbell. Making Letters Build Business. s.n, 1952.

警告：這些引文格式不一定是100％准確.