Παραπομπή σε μορφή APA (7η εκδ.)

Nelson, S. W., Freimanis, A. K., & Wiot, J. F. (1973). Gastrointestinal tract disease syllabus. Committee on Professional Self-Evaluation and Continuing Education, Commission on Diagnostic Radiology, American College of Radiology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nelson, Sidney W., Atis K. Freimanis, και Jerome F. Wiot. Gastrointestinal Tract Disease Syllabus. Chicago: Committee on Professional Self-Evaluation and Continuing Education, Commission on Diagnostic Radiology, American College of Radiology, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nelson, Sidney W., et al. Gastrointestinal Tract Disease Syllabus. Committee on Professional Self-Evaluation and Continuing Education, Commission on Diagnostic Radiology, American College of Radiology, 1973.