APA引文

Durrell, M. Hammers-s german grammar and usage. McGraw-Hill.

Chicago Style (17th ed.) Citation

Durrell, Martin. Hammers-s German Grammar and Usage. McGraw-Hill.

MLA引文

Durrell, Martin. Hammers-s German Grammar and Usage. McGraw-Hill.

警告：這些引文格式不一定是100％准確.