Citazione Stile APA (7a Edizione)
Shopov, D. (1987). Heterogeneous Catalysis: Proceedings of the Sixth International Symposium. Part 2. Publ.House of the Bulgarian Academy of Sciences.
Citazione stile Chigago Style (17a edizione)
Shopov, D. Heterogeneous Catalysis: Proceedings of the Sixth International Symposium. Part 2. Sofia: Publ.House of the Bulgarian Academy of Sciences, 1987.
Citatione MLA (9a ed.)
Shopov, D. Heterogeneous Catalysis: Proceedings of the Sixth International Symposium. Part 2. Publ.House of the Bulgarian Academy of Sciences, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.