Cita APA (7a ed.)

(1977). № 39, № 4: General reports I; Security of power system operation. 1977.

Cita Chicago Style (17a ed.)

№ 39, № 4: General Reports I; Security of Power System Operation. 1977, 1977.

Cita MLA (9a ed.)

№ 39, № 4: General Reports I; Security of Power System Operation. 1977, 1977.