Παραπομπή APA

Cooper , D., & Doran , C. (1991). Classical methods: Analytical ahemistry by open learning. John wiley & sons.

Παραπομπή Chicago Style

Cooper , Derek, και Chris Doran. Classical Methods: Analytical Ahemistry by Open Learning. London: John wiley & sons, 1991.

Παραπομπή MLA

Cooper , Derek, και Chris Doran. Classical Methods: Analytical Ahemistry by Open Learning. John wiley & sons, 1991.