El-Shobaky, G., Turky, A., & Ghozza, A. (2002). Surface and Catalytic Properties of NiO and CoO Solids Doped with Cobalt and Nickel Ions. SAGE Publishing.
Čikaški stil citiranja (17. izdanje)El-Shobaky, G.A, A.M Turky, i A.M Ghozza. Surface and Catalytic Properties of NiO and CoO Solids Doped with Cobalt and Nickel Ions. SAGE Publishing, 2002.
MLA način citiranja (9. izdanje)El-Shobaky, G.A, et al. Surface and Catalytic Properties of NiO and CoO Solids Doped with Cobalt and Nickel Ions. SAGE Publishing, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.