(1989). Sexually transmitted disease in Britain: 1985-6. Public Health Laboratory Service Communicable Disease Surveillance Centre.
استشهاد بنمط شيكاغوSexually Transmitted Disease in Britain: 1985-6. Public Health Laboratory Service Communicable Disease Surveillance Centre. 1989.
MLA استشهادSexually Transmitted Disease in Britain: 1985-6. Public Health Laboratory Service Communicable Disease Surveillance Centre. 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.