Não informado. (1990). The British journal of general practice. Royal College of General Practitioners.
Chicagoスタイル(17版)引用形式Não informado. The British Journal of General Practice. London: Royal College of General Practitioners, 1990.
MLA(8版)引用形式Não informado. The British Journal of General Practice. Royal College of General Practitioners, 1990.
警告: この引用は必ずしも正確ではありません.