Dyfyniad APA

(1938). PROCEEDINGS OF LOCAL BRANCHES OF THE SOCIETY OF AMERICAN BACTERIOLOGISTS EASTERN PENNSYLVANIA CHAPTER.

Dyfyniad Arddull Chicago

PROCEEDINGS OF LOCAL BRANCHES OF THE SOCIETY OF AMERICAN BACTERIOLOGISTS EASTERN PENNSYLVANIA CHAPTER. 1938.

Dyfyniad MLA

PROCEEDINGS OF LOCAL BRANCHES OF THE SOCIETY OF AMERICAN BACTERIOLOGISTS EASTERN PENNSYLVANIA CHAPTER. 1938.

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