Citation format: < Name of author >,< title > [< optionally with a translation >],< abbreviation of periodical name >, < year >,< volume No >,< page(s) cited >. e.g., Z. Opałko, Wyłączenie prawa poboru w świetle przepisów Kodeksu Handlowego [Exclusion of Preemptive Right under the Provisions of Business Organizations Code], P. Sp., No. 2, 1999, at 33. When citing to a periodical in general the Polish custom is to cite only to the first page. However, when citing to a particular idea within a periodical, the custom is to cite to the specific page upon which the idea occurs. List of most commonly cited Polish periodicals: