Trích dẫn APA

Collis, H. (2000). 101 American Customs: Understanding American language and culture through common practices. Illinois: Passport Books.

Trích dẫn kiểu Chicago

Collis, Harry. 101 American Customs: Understanding American Language and Culture Through Common Practices. Illinois: Passport Books, 2000.

Trích dẫn MLA

Collis, Harry. 101 American Customs: Understanding American Language and Culture Through Common Practices. Illinois: Passport Books, 2000.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.