FARBMAN, E. (1985). Signals A Grammar And Guide For Writers Evelyn Farbman. Houghton Mifflin.
Čikaški stil citiranja (17. izdanje)FARBMAN, Evelyn. Signals A Grammar And Guide For Writers Evelyn Farbman. Houghton Mifflin, 1985.
MLA način citiranja (8. izdanje)FARBMAN, Evelyn. Signals A Grammar And Guide For Writers Evelyn Farbman. Houghton Mifflin, 1985.
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