Cita APA (7th ed.)

Grava,Sigurd. The urban heritage of the Soviet regime the case of Riga, Latvia. Journal of the American Planning Association.

Cita Chicago (17th ed.)

Grava,Sigurd. "The Urban Heritage of the Soviet Regime the Case of Riga, Latvia." Journal of the American Planning Association .

Cita MLA (9th ed.)

Grava,Sigurd. "The Urban Heritage of the Soviet Regime the Case of Riga, Latvia." Journal of the American Planning Association, .