Dyfyniad APA

Langevich, H. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.

Dyfyniad Arddull Chicago

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.

Dyfyniad MLA

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, May 9, 1912.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.