APA Citation

Collis, H. (1996). 101 American English Riddles. Illinois: Passport Books.

Trích dẫn kiểu Chicago

Collis, Harry. 101 American English Riddles. Illinois: Passport Books, 1996.

MLA Citation

Collis, Harry. 101 American English Riddles. Illinois: Passport Books, 1996.

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