Gaya APA

Blair,Walter, ., Gerber, J. (1963). Factual Prose- introduction to explanatory and Persusive writing . Chicago: Scott,foresman and company.

Gaya MLA

Blair,Walter, ., Gerber, John. "Factual Prose- introduction to explanatory and Persusive writing". Chicago: Scott,foresman and company, 1963. Referencece.