Cita APA

(1983). Philips language learning system: English IV [kaset]. Zurich : Philips AG.

Citación estilo Chicago

Philips Language Learning System: English IV [kaset]. Zurich : Philips AG, 1983.

Cita MLA

Philips Language Learning System: English IV [kaset]. Zurich : Philips AG, 1983.

Warning: These citations may not always be 100% accurate.