National Library of the Philippines. Impact stories: A publication for library and information services month (Librarian edition.).
Цитирование в стиле Чикаго (17-е изд.)National Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
Цитирование MLA (9-е изд.)National Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.