Gaya APA

Swanson, C, P., Davies,DW, . (NULL). A primer of Dutch seventeenth century overseas trade . Martinus: Martinus Nijhoff: The Hague; 1961.

Gaya MLA

Swanson, Carl, P.., Davies,DW, . "A primer of Dutch seventeenth century overseas trade". Martinus: Martinus Nijhoff: The Hague; 1961, NULL. Text.