Collison, R. (1966). Encyclopaedias: Their History throughout the ages (2nd (1st 1964).). Hafner Publishing Company.
Chicago ZitierstilCollison, Robert. Encyclopaedias: Their History Throughout the Ages. 2nd (1st 1964). London: Hafner Publishing Company, 1966.
MLA ZitierstilCollison, Robert. Encyclopaedias: Their History Throughout the Ages. 2nd (1st 1964). Hafner Publishing Company, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.