Baliton, N. B. (1979). Development, tryout and evaluation of activities for high school biology using Centrosema Pubescens.
Čikaški stil citiranja (17. izdanje)Baliton, Norma Bernal. Development, Tryout and Evaluation of Activities for High School Biology Using Centrosema Pubescens. 1979.
MLA način citiranja (9. izdanje)Baliton, Norma Bernal. Development, Tryout and Evaluation of Activities for High School Biology Using Centrosema Pubescens. 1979.
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