APA ציטוט

Halbertsma H. (2016). Colon classification (6.). ESS ESS publication.

Chicago Edition Citation

Halbertsma H. Colon Classification. 6. New Delhi: ESS ESS publication, 2016.

ציטוט MLA

Halbertsma H. Colon Classification. 6. ESS ESS publication, 2016.