Gaya APA

KERSTMA, J. (1994). WATER QUALITY CONTROL AT SHIP LOCKS; PREVENTION OF SALT- . : A.A. BALKEMA/1994.

Gaya MLA

KERSTMA, J.. "WATER QUALITY CONTROL AT SHIP LOCKS; PREVENTION OF SALT-". : A.A. BALKEMA/1994, 1994. Text Book.