Quayle, J. P. E. (1986). Kempe`s engineers year book (Ed.91.).
Chicago Edition CitationQuayle, J P; Ed. Kempe`s Engineers Year Book. Ed.91. London, Morgan-Grampian Book Publishing, 1986.
Cita MLAQuayle, J P; Ed. Kempe`s Engineers Year Book. Ed.91. 1986.
Atenció: Aquestes cites poden no estar 100% correctes.