Dubnoff, B., Chambers, I., & Shaefer, F. (1968). Sequential perceptual motor exercises. Student Workbook. Teaching Resources.
Citazione stile Chigago Style (17a edizione)Dubnoff, Belle, Irene Chambers, e Florence Shaefer. Sequential Perceptual Motor Exercises. Student Workbook. Nueva York: Teaching Resources, 1968.
Citatione MLA (9a ed.)Dubnoff, Belle, et al. Sequential Perceptual Motor Exercises. Student Workbook. Teaching Resources, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.