Gaya APA

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

Gaya MLA

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