Peissel, M. (1964). The lost world of Quintana Roo. Travel Book Club.
Dyfyniad Arddull ChicagoPeissel, Michel. The Lost World of Quintana Roo. London: Travel Book Club, 1964.
Dyfyniad MLAPeissel, Michel. The Lost World of Quintana Roo. Travel Book Club, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.