Musselman, V. W. (1963). The day camp program book: An activity manual for counselors. Association Press.
Chicago-viite (17. p.)Musselman, Virginia W. The Day Camp Program Book: An Activity Manual for Counselors. New York: Association Press, 1963.
MLA-viite (9. p.)Musselman, Virginia W. The Day Camp Program Book: An Activity Manual for Counselors. Association Press, 1963.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.