Duncan, M. M., & Johnson, R. H. (1954). Introduction to physical education, health education, and recreation. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Duncan, Margaret M., i Ralph H. Johnson. Introduction to Physical Education, Health Education, and Recreation. Englewood Cliffs, New Jersey: Prentice-Hall, 1954.
MLA način citiranja (9. izdanje)Duncan, Margaret M., i Ralph H. Johnson. Introduction to Physical Education, Health Education, and Recreation. Prentice-Hall, 1954.
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