APA aipamena

Robertson, M. H. (1973). Tetracycline-resistant Beta-haemolytic Streptococci in South-west Essex: Decline and Fall.

Chicago Style aipamena

Robertson, M. H. Tetracycline-resistant Beta-haemolytic Streptococci in South-west Essex: Decline and Fall. 1973.

MLA aipamena

Robertson, M. H. Tetracycline-resistant Beta-haemolytic Streptococci in South-west Essex: Decline and Fall. 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.