U. S. Library of Congress. Science and Technology Division, U. S. Office of Naval Research, Clapp, W. F., & Kenk, R. 1. (1963). Marine borers: An annotated bibliography. Office of Naval Research.
Lua i Stíl Chicago (17ú heag.)U. S. Library of Congress. Science and Technology Division, U. S. Office of Naval Research, William F. Clapp, agus Roman 1808 Kenk. Marine Borers: An Annotated Bibliography. Washington: Office of Naval Research, 1963.
Lua MLA (9ú heag.)U. S. Library of Congress. Science and Technology Division, et al. Marine Borers: An Annotated Bibliography. Office of Naval Research, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.