Dyfyniad APA

Mullainathan, S. S. (2013). Scarcity (1st.). Penguin Books.

Dyfyniad Arddull Chicago

Mullainathan, Sendhil; Shafir. Scarcity. 1st. London: Penguin Books, 2013.

Dyfyniad MLA

Mullainathan, Sendhil; Shafir. Scarcity. 1st. Penguin Books, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.