Gaya APA

Sierra-Aristizábal, J, C, A, A, M, H. (2014). Restricted normal modal logics and levelled possible worlds semantics . : .

Gaya MLA

Sierra-Aristizábal, Juan, C., Agudelo-Agudelo, And, Manuel, H.. "Restricted normal modal logics and levelled possible worlds semantics". : , 2014. Text.