Hardeman, D., & Lehmann, H. (2008). Tjebbe Beekman: The image of the Capsular Society. Uitgeverij d'jonge Hond.
Čikaški stil citiranja (17. izdanje)Hardeman, Doede, i Harry Lehmann. Tjebbe Beekman: The Image of the Capsular Society. Harderwijk: Uitgeverij d'jonge Hond, 2008.
MLA način citiranja (8. izdanje)Hardeman, Doede, i Harry Lehmann. Tjebbe Beekman: The Image of the Capsular Society. Uitgeverij d'jonge Hond, 2008.
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