Gunn, H. E., & Gunn, V. C. (1989). Autotest. Ediciones Martínez Roca.
Chicago Style (17th ed.) CitationGunn, Harry E., and Violet C. Gunn. Autotest. Barcelona: Ediciones Martínez Roca, 1989.
MLA (9th ed.) CitationGunn, Harry E., and Violet C. Gunn. Autotest. Ediciones Martínez Roca, 1989.
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