Dyfyniad APA

Feeney, L., & Vincent, M. C. (1980). Survival till seventeen (Memorial ed.). St. Bede's Publications.

Dyfyniad Arddull Chicago

Feeney, Leonard, and Mary Clare Vincent. Survival Till Seventeen. Memorial ed. Still River, Mass.: St. Bede's Publications, 1980.

Dyfyniad MLA

Feeney, Leonard, and Mary Clare Vincent. Survival Till Seventeen. Memorial ed. St. Bede's Publications, 1980.

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