HUGHES, R. (2013). GPST Stage 3: Written and simulation exercises. JP Medical Publishers.
Chicago Style aipamenaHUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
MLA aipamenaHUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.