Squire, R. N. (1952). Introduction to music education: With a foreword and an appendix by Karl W. Gehrkens. Ronald Press Co.
Citazione stile Chigago Style (17a edizione)Squire, Russel Nelson. Introduction to Music Education: With a Foreword and an Appendix by Karl W. Gehrkens. New York: Ronald Press Co, 1952.
Citatione MLA (9a ed.)Squire, Russel Nelson. Introduction to Music Education: With a Foreword and an Appendix by Karl W. Gehrkens. Ronald Press Co, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.