Gaya APA

Forrest, , J, B. (1981). Dewatering Cofferdam for the Trident Submarine Drydock . : A.A. Balkema.

Gaya MLA

Forrest, , J., B.. "Dewatering Cofferdam for the Trident Submarine Drydock". : A.A. Balkema, 1981. Computer Software.