Cita APA (7th ed.)
Extra, G., Geest, T. v. d., & Jordens, P. (1985). Studies on language acquisition: Vol. 1. Foris Publ.
Cita Chicago (17th ed.)
Extra, Guus, Ton van der Geest, i Peter Jordens. Studies on Language Acquisition: Vol. 1. Dordrecht [usw.]: Foris Publ, 1985.
Cita MLA (9th ed.)
Extra, Guus, et al. Studies on Language Acquisition: Vol. 1. Foris Publ, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.