Johanson, W. G., Pierce, A. K., & Sanford, J. P. (1969). Area-sampling Technique for Quantitative Pharyngeal Cultures.
Dyfyniad Arddull ChicagoJohanson, Waldemar G., Alan K. Pierce, and Jay P. Sanford. Area-sampling Technique for Quantitative Pharyngeal Cultures. 1969.
Dyfyniad MLAJohanson, Waldemar G., Alan K. Pierce, and Jay P. Sanford. Area-sampling Technique for Quantitative Pharyngeal Cultures. 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.