Filatelie in klein bestek

MLA

Arnau, Frank, and Henk Koops. Filatelie In Klein Bestek. Utrecht: Bruna, 1958.

APA

Arnau, F., & Koops, H. (1958). Filatelie in klein bestek. Utrecht: Bruna.

Chicago

Arnau, Frank, Filatelie In Klein Bestek. Translated by Henk Koops. Utrecht: Bruna, 1958.