Dyfyniad APA

Beahm, G. (2017). Steve jobs life by design. Gramedia.

Dyfyniad Arddull Chicago

Beahm, George. Steve Jobs Life by Design. Gramedia, 2017.

Dyfyniad MLA

Beahm, George. Steve Jobs Life by Design. Gramedia, 2017.

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