Dyfyniad APA

Penn, N. W., & Suwalski, R. (1969). Quantitative determination of deoxyribonucleic acid in rat brain.

Dyfyniad Arddull Chicago

Penn, N. W., and R. Suwalski. Quantitative Determination of Deoxyribonucleic Acid in Rat Brain. 1969.

Dyfyniad MLA

Penn, N. W., and R. Suwalski. Quantitative Determination of Deoxyribonucleic Acid in Rat Brain. 1969.

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