Dyfyniad APA

South Metropolitan Gas Company (London, England), & Leonard William Longstaff Saint Thomas More Collection. (1931). Well Hall. s.n].

Dyfyniad Arddull Chicago

South Metropolitan Gas Company (London, England), and Leonard William Longstaff Saint Thomas More Collection. Well Hall. [London?: s.n], 1931.

Dyfyniad MLA

South Metropolitan Gas Company (London, England), and Leonard William Longstaff Saint Thomas More Collection. Well Hall. s.n], 1931.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.