ISBN 9784788506817 books & textbook
Oran'ūtan to tomoni : ushinawareyuku eden no sono kara. 001.
BiruteÌ Marija Filomena Galdikas; Hideki Sugiura; Chiemi SaitoÌ„; Toshikazu Hasegawa
Tōkyō : Shin'yōsha, 1999. /1999-06-25 Tankobon Hardcover
isbn-10: 4788506815 / isbn-13: 9784788506817
