Lua APA (7ú heag.)

Langevich, H. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Lua i Stíl Chicago (17ú heag.)

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Lua MLA (8ú heag.)

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, December 10, 1915.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.