(1955). Classification. Class P, subclass PT, part 2: Dutch and Scandinavian literatures (with supplementary pages). U. S. Government Printing Office.
Chicago-viite (17. p.)Classification. Class P, Subclass PT, Part 2: Dutch and Scandinavian Literatures (with Supplementary Pages). Washington: U. S. Government Printing Office, 1955.
MLA-viite (9. p.)Classification. Class P, Subclass PT, Part 2: Dutch and Scandinavian Literatures (with Supplementary Pages). U. S. Government Printing Office, 1955.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.