International Chemistry Olympiad, & Sirota, A. (2008). Đề thi Olympic hóa học quốc tế năm 1968-1988: The competition problems from the International Chemistry Olympiads. Volume 1: 1st-20th icho 1968-1988. Bratislava: IUVENTA.
শিকাগো স্টাইলে সাইটেশনInternational Chemistry Olympiad, এবং Anton Sirota. Đề Thi Olympic Hóa Học Quốc Tế Năm 1968-1988: The Competition Problems From the International Chemistry Olympiads. Volume 1: 1st-20th Icho 1968-1988. Bratislava: IUVENTA, 2008.
এমএলএ সাইটেশনInternational Chemistry Olympiad, এবং Anton Sirota. Đề Thi Olympic Hóa Học Quốc Tế Năm 1968-1988: The Competition Problems From the International Chemistry Olympiads. Volume 1: 1st-20th Icho 1968-1988. Bratislava: IUVENTA, 2008.
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