APA (7e ed.) Bronvermelding

ARMSTRONG, F. E. LOCATING UNCHARTED OIL AND GAS WELLS: STATE-OF-THE-ART.

Chicago (17e ed.) Bronvermelding

ARMSTRONG, FREDERICK E. LOCATING UNCHARTED OIL AND GAS WELLS: STATE-OF-THE-ART. WASHINGTON, D.C., U.S. DEPT. OF THE INTERIOR, BUREAU OF MINES, 1973. 9P.

MLA (8e ed.) Bronvermelding

ARMSTRONG, FREDERICK E. LOCATING UNCHARTED OIL AND GAS WELLS: STATE-OF-THE-ART.