APA-referens (7:e uppl.)

(2019). English verbs: Total language study program. McGraw-Hill Education.

Chicago-referens (17:e uppl.)

English Verbs: Total Language Study Program. New York: McGraw-Hill Education, 2019.

MLA-referens (9:e uppl.)

English Verbs: Total Language Study Program. McGraw-Hill Education, 2019.