Não informado. (1961). Information Bulletin on Variable Stars. Konkoly Observatory.
Style de citation Chicago (17e éd.)Não informado. Information Bulletin on Variable Stars. Budapest: Konkoly Observatory, 1961.
Style de citation MLA (8e éd.)Não informado. Information Bulletin on Variable Stars. Konkoly Observatory, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.