(1977). Sir Geoffrey Keynes. Tributes on his 90th birthday. Royal College of Surgeons of England.
استشهاد بنمط شيكاغوSir Geoffrey Keynes. Tributes On His 90th Birthday. Royal College of Surgeons of England, 1977.
MLA استشهادSir Geoffrey Keynes. Tributes On His 90th Birthday. Royal College of Surgeons of England, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.