Gaya APA

gren, H, H., Swanson, C, P. (1958). Activities handbook for business teachers clubs, plays and projects . New York6bMcGraw-Hill: .

Gaya MLA

gren, Helen, Hinkson., Swanson, Carl, P.. "Activities handbook for business teachers clubs, plays and projects". New York6bMcGraw-Hill: , 1958. Text.