Cita APA (7th ed.)

(1973). Gastrointestinal tract disease syllabus. s.n.

Cita Chicago (17th ed.)

Gastrointestinal Tract Disease Syllabus. Chicago: s.n, 1973.

Cita MLA (9th ed.)

Gastrointestinal Tract Disease Syllabus. s.n, 1973.