Royce, J. E. (1967). Qué soy yo? [S.l.]: McGraw-Hill.
Chicago Style CitationRoyce, James E. Qué Soy Yo? [S.l.]: McGraw-Hill, 1967.
MLA CitationRoyce, James E. Qué Soy Yo? [S.l.]: McGraw-Hill, 1967.
Warning: These citations may not always be 100% accurate.