Tohutoro APA (7th ed.)
Watcham, M., Taylor, E., & Rees-Boughton, M. (1979). Watcham's office practice. McGraw-Hill Book Co..
Tohutoru Kātū Chicago (17th ed.)
Watcham, Maurice, Elizabeth Taylor, me Margaret Rees-Boughton. Watcham's Office Practice. New York: McGraw-Hill Book Co., 1979.
Tohutoro MLA (9th ed.)
Watcham, Maurice, et al. Watcham's Office Practice. McGraw-Hill Book Co., 1979.
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