APA (7th ed.) Citation

Diana L. Fried-Booth. (1992). Focus on P.E.T: Preliminary English Test. Nelson.

Chicago Style (17th ed.) Citation

Diana L. Fried-Booth. Focus on P.E.T: Preliminary English Test. Walton-on-Thames Surrey: Nelson, 1992.

MLA (9th ed.) Citation

Diana L. Fried-Booth. Focus on P.E.T: Preliminary English Test. Nelson, 1992.