APA aipamena

Johnson, G. (1894). Diphtheria and Defective Drainage.

Chicago Style aipamena

Johnson, George. Diphtheria and Defective Drainage. 1894.

MLA aipamena

Johnson, George. Diphtheria and Defective Drainage. 1894.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.