APA

Longan J., . (2001). Sentence skills with readings. : Mc. graw-Hill higher education.

Chicago

Longan John, . 2001. Sentence skills with readings. : Mc. graw-Hill higher education.

Harvard

Longan J., . (2001). Sentence skills with readings. : Mc. graw-Hill higher education.

MLA

Longan John, . Sentence skills with readings. : Mc. graw-Hill higher education. 2001.