APA-referens (7:e uppl.)

FERRAR. W.L. (1957). Algebra, a text-book of determinants: Matrices and algebraic forms (2nd ed.). O.U.P..

Chicago-referens (17:e uppl.)

FERRAR. W.L. Algebra, a Text-book of Determinants: Matrices and Algebraic Forms. 2nd ed. London: O.U.P., 1957.

MLA-referens (9:e uppl.)

FERRAR. W.L. Algebra, a Text-book of Determinants: Matrices and Algebraic Forms. 2nd ed. O.U.P., 1957.