Gaya APA

Wiggers, P, D, A, J. (1954). Grote Winkler Prins: Encyclopedie in twintig delen; 20; WERE-ZYPE (6). Amsterdam: Elsevier Nederland B.V.

Gaya MLA

Wiggers, Prof., Dr., A., J.. "Grote Winkler Prins: Encyclopedie in twintig delen; 20; WERE-ZYPE". 6 Amsterdam: Elsevier Nederland B.V, 1954. Referensi.