APA citáció

Pokorny Anna & Bakti Mária. (2002). The developments of North Sea oil. The major develpoments of Northern oil fields in the first years.

Chicago Style (17th ed.) Citation

Pokorny Anna and Bakti Mária. The Developments of North Sea Oil. The Major Develpoments of Northern Oil Fields in the First Years. 2002.

MLA idézés

Pokorny Anna and Bakti Mária. The Developments of North Sea Oil. The Major Develpoments of Northern Oil Fields in the First Years. 2002.