Gaya APA

Dobson, M, J., Sisley, I, B, L. (1980). Softball for girls . New York: New York: Robert E. Krieger; 1980.

Gaya MLA

Dobson, Margaret, J., Sisley, I., Becky, L.. "Softball for girls". New York: New York: Robert E. Krieger; 1980, 1980. Text.