APA-referens (7:e uppl.)
Ehrlich, E. Schaum's theory and problems of punctuation, capitalization, and spelling (2nd ed.). Tata McGraw-Hill 425 Eh33e2 2nd ed.
Chicago-referens (17:e uppl.)
Ehrlich, Eugene. Schaum's Theory and Problems of Punctuation, Capitalization, and Spelling. 2nd ed. New Delhi: Tata McGraw-Hill 425 Eh33e2 2nd ed.
MLA-referens (9:e uppl.)
Ehrlich, Eugene. Schaum's Theory and Problems of Punctuation, Capitalization, and Spelling. 2nd ed. Tata McGraw-Hill 425 Eh33e2 2nd ed.
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