Campbell, K. (2004). E-ffective writing for e-learning environments. Hersley, PA: INFOSCI.
Dyfyniad Arddull ChicagoCampbell, Kathy. E-ffective Writing for E-learning Environments. Hersley, PA: INFOSCI, 2004.
Dyfyniad MLACampbell, Kathy. E-ffective Writing for E-learning Environments. Hersley, PA: INFOSCI, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.