Saville, J., & Saville, T. (1986). The business letter writer. Tarang Paperbacks.
Lua i Stíl Chicago (17ú heag.)Saville, Jenny, agus Tim Saville. The Business Letter Writer. Delhi: Tarang Paperbacks, 1986.
Lua MLA (9ú heag.)Saville, Jenny, agus Tim Saville. The Business Letter Writer. Tarang Paperbacks, 1986.
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