APA aipamena

Halsema, J. J. (1987). E.J. Halsema--colonial engineer (XI). E.J. Halsema--colonial engineer (XI)..

Chicago Style aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (XI)." E.J. Halsema--colonial Engineer (XI). 1987.

MLA aipamena

Halsema, James J. "E.J. Halsema--colonial Engineer (XI)." E.J. Halsema--colonial Engineer (XI)., 1987.

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