APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.