APA

Wills H., .Structure Style, and Usage: Rhetoic and Reasoning. NEW YORK: HOLTk RINEHARTAND WINSTON, 1973: .

Chicago

Wills Hulon, .Structure Style, and Usage: Rhetoic and Reasoning. NEW YORK: HOLTk RINEHARTAND WINSTON, 1973: .

Harvard

Wills H., .Structure Style, and Usage: Rhetoic and Reasoning. NEW YORK: HOLTk RINEHARTAND WINSTON, 1973: .

MLA

Wills Hulon, .NEW YORK: HOLTk RINEHARTAND WINSTON, 1973: . .