Dyfyniad APA

(1938). Proceedings of Local Branches of the Society of American Bacteriologists, Eastern Pennsylvania, Central Pennsylvania, Central New York State and North Central Branches.

Dyfyniad Arddull Chicago

Proceedings of Local Branches of the Society of American Bacteriologists, Eastern Pennsylvania, Central Pennsylvania, Central New York State and North Central Branches. 1938.

Dyfyniad MLA

Proceedings of Local Branches of the Society of American Bacteriologists, Eastern Pennsylvania, Central Pennsylvania, Central New York State and North Central Branches. 1938.

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