Hooper, D. (1967). A complete defence to 1 P-K4: A study of Petroff's defence. Pergamon Press Cacho Hermanos.
Chicago Style (17. basım) AtıfHooper, David. A Complete Defence to 1 P-K4: A Study of Petroff's Defence. Oxford, Mandaluyong, Rizal: Pergamon Press Cacho Hermanos, 1967.
MLA (9th ed.) AtıfHooper, David. A Complete Defence to 1 P-K4: A Study of Petroff's Defence. Pergamon Press Cacho Hermanos, 1967.
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