Dyfyniad APA

Heun, M. K., Carbajales-Dale, M., & Haney, B. R. (2015). Beyond GDP. Springer.

Dyfyniad Arddull Chicago

Heun, Matthew Kuperus, Michael Carbajales-Dale, và Becky Roselius Haney. Beyond GDP. Springer, 2015.

Dyfyniad MLA

Heun, Matthew Kuperus, Michael Carbajales-Dale, và Becky Roselius Haney. Beyond GDP. Springer, 2015.

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