APA način citiranja

Helbing, W. A., & Utens, E. (2014). Vocational challenges in congenital heart disease. Bohn Stafleu van Loghum.

Čikaški stil citiranja

Helbing, W. A., i E. Utens. Vocational Challenges in Congenital Heart Disease. Bohn Stafleu van Loghum, 2014.

MLA način citiranja

Helbing, W. A., i E. Utens. Vocational Challenges in Congenital Heart Disease. Bohn Stafleu van Loghum, 2014.

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