Trích dẫn APA

Alois Stutzer,Bruno S Frey. Does Marriage Make People Happy Or Do Happy People Get Married. DC Books.

Trích dẫn kiểu Chicago

Alois Stutzer,Bruno S Frey. Does Marriage Make People Happy Or Do Happy People Get Married. Kottayam: DC Books.

Trích dẫn MLA

Alois Stutzer,Bruno S Frey. Does Marriage Make People Happy Or Do Happy People Get Married. DC Books.

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