Citazione Stile APA (7a Edizione)

Nicholls, J. A. (1981). The principality of Liechtenstein: A documentary handbook (5th, rev. and enl. ed.). Press and Information Office of the Governmaent of the Principality of Liechtenstein.

Citazione stile Chigago Style (17a edizione)

Nicholls, John Anthony. The Principality of Liechtenstein: A Documentary Handbook. 5th, rev. and enl. ed. Vaduz: Press and Information Office of the Governmaent of the Principality of Liechtenstein, 1981.

Citatione MLA (9a ed.)

Nicholls, John Anthony. The Principality of Liechtenstein: A Documentary Handbook. 5th, rev. and enl. ed. Press and Information Office of the Governmaent of the Principality of Liechtenstein, 1981.