Dyfyniad APA

Johnson, T. E., Birky, B. K., & Shleien, B. (2012). Health physics and radiological health (Fourth edition.). Lippincott Williams & Wilkins.

Dyfyniad Arddull Chicago

Johnson, Thomas E., Brian Kent Birky, and B. Shleien. Health Physics and Radiological Health. Fourth edition. Philadelphia, PA: Lippincott Williams & Wilkins, 2012.

Dyfyniad MLA

Johnson, Thomas E., et al. Health Physics and Radiological Health. Fourth edition. Lippincott Williams & Wilkins, 2012.

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