Dyfyniad APA

Kollerstrom, N., Lord, P. W., & Whimster, W. F. (1977). A difference in the composition of bronchial mucus between smokers and non-smokers.

Dyfyniad Arddull Chicago

Kollerstrom, N., P W. Lord, and W F. Whimster. A Difference in the Composition of Bronchial Mucus between Smokers and Non-smokers. 1977.

Dyfyniad MLA

Kollerstrom, N., P W. Lord, and W F. Whimster. A Difference in the Composition of Bronchial Mucus between Smokers and Non-smokers. 1977.

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