Dyfyniad APA

Hannerz, U. (2020). Writing Future Worlds. 1st ed. 2016. Springer International Publishing.

Dyfyniad Arddull Chicago

Hannerz, Ulf. Writing Future Worlds. 1st Ed. 2016. Springer International Publishing, 2020.

Dyfyniad MLA

Hannerz, Ulf. Writing Future Worlds. 1st Ed. 2016. Springer International Publishing, 2020.

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