APA引文

Gerngross, G., & Puchta, H. Playway to english: Teacher´s guide 1.

Chicago Style (17th ed.) Citation

Gerngross, Günter, and Herbert Puchta. Playway to English: Teacher´s Guide 1.

MLA引文

Gerngross, Günter, and Herbert Puchta. Playway to English: Teacher´s Guide 1.

警告：這些引文格式不一定是100％准確.