APA

Crofton L., . (1995). THE GUINNESS ENCYCLOPEDIA. London: Guinness Publishing.

Chicago

Crofton Lan, . 1995. THE GUINNESS ENCYCLOPEDIA. London: Guinness Publishing.

Harvard

Crofton L., . (1995). THE GUINNESS ENCYCLOPEDIA. London: Guinness Publishing.

MLA

Crofton Lan, . THE GUINNESS ENCYCLOPEDIA. London: Guinness Publishing. 1995.