Beresford, W., & Dixon, G. (1789). A voyage round the world: But more particularly to the north-west coast of America; performed in 1785, 1786, 1787, and 1788, in the King George and Queen Charlotte, Captains Portlock and Dixon .. G. Goulding.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beresford, William, و George Dixon. A Voyage Round the World: But More Particularly to the North-west Coast of America; Performed in 1785, 1786, 1787, and 1788, in the King George and Queen Charlotte, Captains Portlock and Dixon .. London: G. Goulding, 1789.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Beresford, William, و George Dixon. A Voyage Round the World: But More Particularly to the North-west Coast of America; Performed in 1785, 1786, 1787, and 1788, in the King George and Queen Charlotte, Captains Portlock and Dixon .. G. Goulding, 1789.