Erp, A. The Phonetic Basis of Personality Ratings with Specific reference to cleft-palate speech. Haag: Royal PTT Nederland NV, 1991 256 p. il. 90 72125 26 6.
Erp, A. The Phonetic Basis of Personality Ratings with Specific reference to cleft-palate speech. Haag: Royal PTT Nederland NV, 1991 256 p. il. 90 72125 26 6.
Erp, A. (1991) The Phonetic Basis of Personality Ratings with Specific reference to cleft-palate speech, Haag: Royal PTT Nederland NV 256 p. il. 90 72125 26 6.
Erp, A. (1991). The Phonetic Basis of Personality Ratings with Specific reference to cleft-palate speech. Haag: Royal PTT Nederland NV, 256 p. il.
Erp A. The Phonetic Basis of Personality Ratings with Specific reference to cleft-palate speech. Haag: Royal PTT Nederland NV; 1991. p. 256 p. il. ISBN: 90 72125 26 6.