APA (7e ed.) Bronvermelding

Elementary Science Study (Education Development Center) & Gillmor, M. S. (1971). Teacher's guide for Starting from seeds: A study unit. Webster Division, McGraw-Hill Book Co..

Chicago (17e ed.) Bronvermelding

Elementary Science Study (Education Development Center) en Mary S. Gillmor. Teacher's Guide for Starting from Seeds: A Study Unit. New York: Webster Division, McGraw-Hill Book Co., 1971.

MLA (8e ed.) Bronvermelding

Elementary Science Study (Education Development Center) en Mary S. Gillmor. Teacher's Guide for Starting from Seeds: A Study Unit. Webster Division, McGraw-Hill Book Co., 1971.