Pan American Union. (1933). Bibliographies on Pan American Topics: Suggested for high schools. Pan American Union.
Цитирование в стиле Чикаго (17-е изд.)Pan American Union. Bibliographies on Pan American Topics: Suggested for High Schools. Washington: Pan American Union, 1933.
Цитирование MLA (9-е изд.)Pan American Union. Bibliographies on Pan American Topics: Suggested for High Schools. Pan American Union, 1933.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.