APA aipamena

Halsema, J. J. (1985). E.J. Halsema--colonial engineer (VI). E.J. Halsema--colonial engineer (VI)..

Chicago Style aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (VI)." E.J. Halsema--colonial Engineer (VI). 1985.

MLA aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (VI)." E.J. Halsema--colonial Engineer (VI)., 1985.