APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.