APA-referens (7:e uppl.)

Howard, R. M. (2018). Writing matters: A handbook for writing and research (Third edition.). McGraw-Hill Education.

Chicago-referens (17:e uppl.)

Howard, Rebecca Moore. Writing Matters: A Handbook for Writing and Research. Third edition. New York, NY: McGraw-Hill Education, 2018.

MLA-referens (9:e uppl.)

Howard, Rebecca Moore. Writing Matters: A Handbook for Writing and Research. Third edition. McGraw-Hill Education, 2018.