APA aipamena

Halsema, J. J. (1986). E.J. Halsema--colonial engineer (IX). E.J. Halsema--colonial engineer (IX)..

Chicago Style aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (IX)." E.J. Halsema--colonial Engineer (IX). 1986.

MLA aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (IX)." E.J. Halsema--colonial Engineer (IX)., 1986.