Citazione Stile APA (7a Edizione)

Parker, G., & By Parker , . B. (1981). A dictionary of the European: Communities. Butter- worths.

Citazione stile Chigago Style (17a edizione)

Parker, Geoffrey, e Brenda By Parker. A Dictionary of the European: Communities. London: Butter- worths, 1981.

Citatione MLA (9a ed.)

Parker, Geoffrey, e Brenda By Parker. A Dictionary of the European: Communities. Butter- worths, 1981.