Knipper-Chekhova, O. The last years: Olga Knipper-Chekhova. A. P. Chekhov : 1860 - 1960.(ca 1960).
Lua i Stíl Chicago (17ú heag.)Knipper-Chekhova, Olga. "The Last Years: Olga Knipper-Chekhova." A. P. Chekhov : 1860 - 1960.(ca 1960) .
Lua MLA (8ú heag.)Knipper-Chekhova, Olga. "The Last Years: Olga Knipper-Chekhova." A. P. Chekhov : 1860 - 1960.(ca 1960), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.