Rothwell, K., & Grant, C. A. (1972). Standard methods for the analysis of tobacco smoke. Tobacco Research Council.
Dyfyniad Arddull ChicagoRothwell, Keith, and C. A. Grant. Standard Methods for the Analysis of Tobacco Smoke. London: Tobacco Research Council, 1972.
Dyfyniad MLARothwell, Keith, and C. A. Grant. Standard Methods for the Analysis of Tobacco Smoke. Tobacco Research Council, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.