Lund, P. H., & Hayden, B. A. (1990). Understanding and using wordslar 4.0. Jaico.
Chicago Style aipamenaLund, Patsy H., and Barbara A. Hayden. Understanding and Using Wordslar 4.0. Bombay: Jaico, 1990.
MLA aipamenaLund, Patsy H., and Barbara A. Hayden. Understanding and Using Wordslar 4.0. Jaico, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.