Japan. Yūseishō. Yūmukyoku. (1951). Tōkyō-to kinkō toshi sōgokan yūbin sōtatsu jōkyō chōsho. Yūseishō Yūmukyoku.
Dyfyniad Arddull ChicagoJapan. Yūseishō. Yūmukyoku. Tōkyō-to Kinkō Toshi Sōgokan Yūbin Sōtatsu Jōkyō Chōsho. [Tokyo]: Yūseishō Yūmukyoku, 1951.
Dyfyniad MLAJapan. Yūseishō. Yūmukyoku. Tōkyō-to Kinkō Toshi Sōgokan Yūbin Sōtatsu Jōkyō Chōsho. Yūseishō Yūmukyoku, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.