Playford, J. (1687). An introduction to the skill of musick: In three books : the first contains the grounds and rules of musick ... the second, instructions and lessons both for the bass-viol and treble-violin : the third, the art of descant, or composing of musick in parts, in a more plaine and easie method than any heretofore published (The eleventh ed., corrected and enl.). London: Printed by Charles Peregrine for Henry Playford ....MLA Citation
Playford, John. An Introduction to the Skill of Musick: In Three Books : The First Contains the Grounds and Rules of Musick ... the Second, Instructions and Lessons Both for the Bass-viol and Treble-violin : The Third, the Art of Descant, or Composing of Musick in Parts, in a More Plaine and Easie Method Than Any Heretofore Published. The eleventh ed., corrected and enl. London: Printed by Charles Peregrine for Henry Playford ..., 1687.