Dyfyniad APA

Brennan, W. T., & Ludwig, D. J. (1964). Guide to problems and pratices in firts aid and civil defense. W.C. Brown.

Dyfyniad Arddull Chicago

Brennan, William T., and Donald J. Ludwig. Guide to Problems and Pratices in Firts Aid and Civil Defense. Dubuque, Iowa: W.C. Brown, 1964.

Dyfyniad MLA

Brennan, William T., and Donald J. Ludwig. Guide to Problems and Pratices in Firts Aid and Civil Defense. W.C. Brown, 1964.

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