Παραπομπή σε μορφή APA (7η εκδ.)

al, A. K. H. .. Introduction to medical science for clinical practice Unit X: Gastrointestinal system. Year Book Medical Publ.

Παραπομπή σε μορφή Chicago (17η εκδ.)

al, Anderson Katherine H ...et. Introduction to Medical Science for Clinical Practice Unit X: Gastrointestinal System. Year Book Medical Publ.

Παραπομπή σε μορφή MLA (8th εκδ.)

al, Anderson Katherine H ...et. Introduction to Medical Science for Clinical Practice Unit X: Gastrointestinal System. Year Book Medical Publ.