APA引文

Gerngross, G., & Puchta, H. Playway to english: Pupil´s book 2.

Chicago Style (17th ed.) Citation

Gerngross, Günter, and Herbert Puchta. Playway to English: Pupil´s Book 2.

MLA引文

Gerngross, Günter, and Herbert Puchta. Playway to English: Pupil´s Book 2.

警告：這些引文格式不一定是100％准確.