Dyfyniad APA

Zeiler, T., Lander-Kox, J., & Alt, T. (2014). Blood Donation by Elderly Repeat Blood Donors. S. Karger GmbH.

Dyfyniad Arddull Chicago

Zeiler, Thomas, Jutta Lander-Kox, and Timo Alt. Blood Donation By Elderly Repeat Blood Donors. S. Karger GmbH, 2014.

Dyfyniad MLA

Zeiler, Thomas, Jutta Lander-Kox, and Timo Alt. Blood Donation By Elderly Repeat Blood Donors. S. Karger GmbH, 2014.

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