Clubb, J. M. (1970). Ecological data in comparative research: Report on a first internationalm data confrontation seminar. UNESCO publishing.
استشهاد بنمط شيكاغوClubb, Jerome M. Ecological Data in Comparative Research: Report on a First Internationalm Data Confrontation Seminar. France: UNESCO publishing, 1970.
MLA استشهادClubb, Jerome M. Ecological Data in Comparative Research: Report on a First Internationalm Data Confrontation Seminar. UNESCO publishing, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.