APA aipamena

Droogmans, J. (1959). In memoriam Professor Mr. J.-H.-Paul Bellefroid. S.l.: s.n.

Chicago Style aipamena

Droogmans, Jozef. In Memoriam Professor Mr. J.-H.-Paul Bellefroid. S.l.: s.n, 1959.

MLA aipamena

Droogmans, Jozef. In Memoriam Professor Mr. J.-H.-Paul Bellefroid. S.l.: s.n, 1959.