APA

Summers G., Cowder P. & Potash D. (2000). Celebramos el 100. Estados Unidos de América: Metropolitan Teaching and Learning Company.

Chicago

Summers Ginger, Cowder Pansy and Potash Dan. 2000. Celebramos el 100. Estados Unidos de América: Metropolitan Teaching and Learning Company.

Harvard

Summers G., Cowder P. and Potash D. (2000). Celebramos el 100. Estados Unidos de América: Metropolitan Teaching and Learning Company.

MLA

Summers Ginger, Cowder Pansy and Potash Dan. Celebramos el 100. Estados Unidos de América: Metropolitan Teaching and Learning Company. 2000.