Gaya APA

Visser, L, &, M, D. (1999). In memoriam P.E. de Josselin de Jong (8 July 1922 -1 January 1999). . : .

Gaya MLA

Visser, L.E., &, Moyer,, D.S.. "In memoriam P.E. de Josselin de Jong (8 July 1922 -1 January 1999). ". : , 1999. Majalah.