Παραπομπή σε μορφή APA (7η εκδ.)

Tekkis, P., Purkayastha, S., Hanna, G., Darzi, A., & McCulloch, P. (2005). Preoperative prediction of lymph node metastases in oesophageal and gastric surgery: A prospective multicentre study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tekkis, P., S. Purkayastha, G. Hanna, A. Darzi, και P. McCulloch. Preoperative Prediction of Lymph Node Metastases in Oesophageal and Gastric Surgery: A Prospective Multicentre Study. 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Tekkis, P., et al. Preoperative Prediction of Lymph Node Metastases in Oesophageal and Gastric Surgery: A Prospective Multicentre Study. 2005.