Cita APA (American Psychological Association)

(1983). Gurelesa G.A.C. [s.n.].

Citación Chicago Style

Gurelesa G.A.C. [S.l.]: [s.n.], 1983.

Cita MLA (Modern Language Association of America)

Gurelesa G.A.C. [s.n.], 1983.