APA Цитирование

Independent Petroleum Association of America. The Oil producing industry in your state. Petroleum Independent Publishers.

Chicago-стиль цитирования

Independent Petroleum Association of America. The Oil Producing Industry in Your State. [Washington: Petroleum Independent Publishers.

MLA-цитирование

Independent Petroleum Association of America. The Oil Producing Industry in Your State. Petroleum Independent Publishers.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.