Παραπομπή APA

Kafetz, K., & Wijesuriya, V. (1991). Causes and mortality in patients aged over 75 years with gastrointestinal haemorrhage.

Παραπομπή Chicago Style

Kafetz, K., και V. Wijesuriya. Causes and Mortality in Patients Aged Over 75 Years With Gastrointestinal Haemorrhage. 1991.

Παραπομπή MLA

Kafetz, K., και V. Wijesuriya. Causes and Mortality in Patients Aged Over 75 Years With Gastrointestinal Haemorrhage. 1991.

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