Gaya APA

Ellfeldt, L., Swanson, C, P. (NULL). Dance production handbook later is too late . California:: California: Mayfield Pub.Co.; 1971.

Gaya MLA

Ellfeldt, Lois., Swanson, Carl, P.. "Dance production handbook later is too late". California:: California: Mayfield Pub.Co.; 1971, NULL. Text.