Citazione APA

Barbin, E. H., Corde, C. V., & Nichols, H. H. (1991). TOELF Test of English as a Foreign Language. London: Prentice-Hall.

Stile di citazione Chicago

Barbin, Edith H., Carole V. Corde, e Harriet H. Nichols. TOELF Test of English As a Foreign Language. London: Prentice-Hall, 1991.

Citazione MLA

Barbin, Edith H., Carole V. Corde, e Harriet H. Nichols. TOELF Test of English As a Foreign Language. London: Prentice-Hall, 1991.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.