Coughlin, C. E. (1968). Helmet and sword, part two. Bloomfield, Mich..
Dyfyniad Arddull ChicagoCoughlin, Charles E. Helmet and Sword, Part Two. Bloomfield, Mich., 1968.
Dyfyniad MLACoughlin, Charles E. Helmet and Sword, Part Two. Bloomfield, Mich., 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.