Harmer, A. F., & Dickinson, R. (1977). Problems in chemistry. Longman.
Chicago Style (17th ed.) CitationHarmer, A. F., and R. Dickinson. Problems in Chemistry. Kuala Lumpur: Longman, 1977.
MLA (9th ed.) CitationHarmer, A. F., and R. Dickinson. Problems in Chemistry. Longman, 1977.
Warning: These citations may not always be 100% accurate.