Gaya APA

Swanson, C, P., Leong, I, P, Y. (1981). Pacific psle mathematics . Singapore: Singapore: Pan Pasific Book; 1981.

Gaya MLA

Swanson, Carl, P.., Leong, I., Pui, Yee,. "Pacific psle mathematics". Singapore: Singapore: Pan Pasific Book; 1981, 1981. Text.