| Year: | 1959 |
| Author: | Edward J. RUPPELT |
| Title: | DISCOS VOADORES |
| Language: | Portuguese |
| Originally published as: | THE REPORT ON UNIDENTIFIED FLYING OBJECTS |
Relatório Sobre os Objetos Aéreos Não Identificados
| ||
| Year: | 1959 | |
| Publisher: | Difusão Européia do Livro | |
 |
| Cover | Language | Title | Year | |
|---|---|---|---|---|
 | English | THE REPORT ON UNIDENTIFIED FLYING OBJECTS | (Original title) | 1956 |
 | French | FACE AUX SOUCOUPES VOLANTES (Translated by René-Marie JOUAN) |
1958 | |
| German | DER BERICHT ÜBER UNIDENTIFIZIERTE FLUG-OBJEKTE (Translated by Werner WALTER) |
1985 | ||
 | Italian | Il Rapporto sugli Oggetti Volanti Non Identificati | 2022 |