APA ציטוט

Creamer, B., Harrison, G. K., & Pierce, J. W. (1959). Further Observations on the Gastro-oesophageal Junction.

Citação norma Chicago

Creamer, B., G. Kent Harrison, and J. W. Pierce. Further Observations On the Gastro-oesophageal Junction. 1959.

ציטוט MLA

Creamer, B., G. Kent Harrison, and J. W. Pierce. Further Observations On the Gastro-oesophageal Junction. 1959.