Gaya APA

Phelps-Gunn, T., Phelps-Terasaki, D. (1982). Written language instruction : theory and remediation . Maryland: An Aspen Pub..

Gaya MLA

Phelps-Gunn, Trisha., Phelps-Terasaki, Diana. "Written language instruction : theory and remediation". Maryland: An Aspen Pub., 1982. Text.