APA-referens (7:e uppl.)

Butler, N. (1846). A practical grammar of the English language (Stereotype ed.). Morton & Griswold.

Chicago-referens (17:e uppl.)

Butler, Noble. A Practical Grammar of the English Language. Stereotype ed. Louisville: Morton & Griswold, 1846.

MLA-referens (8:e uppl.)

Butler, Noble. A Practical Grammar of the English Language. Stereotype ed. Morton & Griswold, 1846.