Colson, J. H. C. (1975). Progressive exercise therapy in rehabilitation and physical education (3rd edition.). J. Wright.
Lua i Stíl Chicago (17ú heag.)Colson, John Henry Charles. Progressive Exercise Therapy in Rehabilitation and Physical Education. 3rd edition. Bristol: J. Wright, 1975.
Lua MLA (9ú heag.)Colson, John Henry Charles. Progressive Exercise Therapy in Rehabilitation and Physical Education. 3rd edition. J. Wright, 1975.
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