APA
LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), . (1980). Unimark. : .
Chicago
LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), . 1980. Unimark. : .
Harvard
LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), . (1980). Unimark. : .
MLA
LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), LIBRARY ASSOCIATION AND INSTITUTIONS (International Federation of-), . Unimark. : . 1980.
