Clarke, H. H., & Clarke, D. H. (1978). Developmental and adapted physical education (Second edition.). Prentice-Hall.
Cita Chicago (17th ed.)Clarke, H. Harrison, i David H. Clarke. Developmental and Adapted Physical Education. Second edition. Englewood Cliffs, N.J: Prentice-Hall, 1978.
Cita MLA (9th ed.)Clarke, H. Harrison, i David H. Clarke. Developmental and Adapted Physical Education. Second edition. Prentice-Hall, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.