APA (7e ed.) Bronvermelding

Beard, R. E., Pentikäinen, T., & Pesonen, E. (1984). Risk theory: The stochastic basis of insurance (3a. ed.). Chapman and Hall.

Chicago (17e ed.) Bronvermelding

Beard, Robert Eric, Teivo Pentikäinen, en Erkki Pesonen. Risk Theory: The Stochastic Basis of Insurance. 3a. ed. Londres: Chapman and Hall, 1984.

MLA (9e ed.) Bronvermelding

Beard, Robert Eric, et al. Risk Theory: The Stochastic Basis of Insurance. 3a. ed. Chapman and Hall, 1984.