APA-Zitierstil (7. Ausg.)

(1951). Titles and forms of address (8. ed.). Black.

Chicago-Zitierstil (17. Ausg.)

Titles and Forms of Address. 8. ed. London: Black, 1951.

MLA-Zitierstil (8. Ausg.)

Titles and Forms of Address. 8. ed. Black, 1951.

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