APA aipamena

Halsema, J. J. (1983). E.J. Halsema: Colonial engineer (II). E.J. Halsema: colonial engineer (II)..

Chicago Style aipamena

Halsema, James J. "E.J. Halsema: Colonial Engineer (II)." E.J. Halsema: Colonial Engineer (II). 1983.

MLA aipamena

Halsema, James J. "E.J. Halsema: Colonial Engineer (II)." E.J. Halsema: Colonial Engineer (II)., 1983.