Παραπομπή APA

Duncan, R., & Weston-Smith, M. (1977). The Encyclopaedia of ignorance: Everything you ever wanted to know about the unknown. Oxford: Pergamon Press.

Παραπομπή Chicago Style

Duncan, Ronald, and Miranda Weston-Smith. The Encyclopaedia of Ignorance: Everything You Ever Wanted to Know About the Unknown. Oxford: Pergamon Press, 1977.

Παραπομπή MLA

Duncan, Ronald, and Miranda Weston-Smith. The Encyclopaedia of Ignorance: Everything You Ever Wanted to Know About the Unknown. Oxford: Pergamon Press, 1977.

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