Bonatti, W., & Edwards, L. F. (1979). On the heights. Diadem ; [Distributed by] Cordee Publishing.
Lua i Stíl Chicago (17ú heag.)Bonatti, Walter, agus Lovett Fielding Edwards. On the Heights. London : Leicester (249 Knighton Church Rd, Leicester): Diadem ; [Distributed by] Cordee Publishing, 1979.
Lua MLA (8ú heag.)Bonatti, Walter, agus Lovett Fielding Edwards. On the Heights. Diadem ; [Distributed by] Cordee Publishing, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.