APA

(1991). Annals of the University of Craiova. Craiova: Dept. of Physics, Fac. of Exact Sciences, Univ.

Chicago

1991. Annals of the University of Craiova. Craiova: Dept. of Physics, Fac. of Exact Sciences, Univ.

Harvard

(1991). Annals of the University of Craiova. Craiova: Dept. of Physics, Fac. of Exact Sciences, Univ.

MLA

Annals of the University of Craiova. Craiova: Dept. of Physics, Fac. of Exact Sciences, Univ. 1991.