APA ציטוט

Constance Percy. (1990). International Classification of Diseases for Oncology (2nd.). World Health Organisation.

Chicago Edition Citation

Constance Percy. International Classification of Diseases for Oncology. 2nd. Geneva: World Health Organisation, 1990.

ציטוט MLA

Constance Percy. International Classification of Diseases for Oncology. 2nd. World Health Organisation, 1990.