Cox, D. W. (1968). Explorer of the deep. N. J. Hammond.
Lua i Stíl Chicago (17ú heag.)Cox, Donald W. Explorer of the Deep. Maplewood: N. J. Hammond, 1968.
Lua MLA (9ú heag.)Cox, Donald W. Explorer of the Deep. N. J. Hammond, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.