APA Citation

Hougen, O. A. Laporan olimpiade matematika international (International mathematika olympic) ke-30 13 - 24 Juli 1989. John Wiley & Sons.

Chicago Style Citation

Hougen, Olaf A. Laporan Olimpiade Matematika International (International Mathematika Olympic) Ke-30 13 - 24 Juli 1989. John Wiley & Sons.

MLA Citation

Hougen, Olaf A. Laporan Olimpiade Matematika International (International Mathematika Olympic) Ke-30 13 - 24 Juli 1989. John Wiley & Sons.

Warning: These citations may not always be 100% accurate.