Dyfyniad APA

Langevich, H. Letter, To: Sister Olya From: Mother Helena Langevich, [n.d.].

Dyfyniad Arddull Chicago

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, [n.d.].

Dyfyniad MLA

Langevich, Helena. Letter, To: Sister Olya From: Mother Helena Langevich, [n.d.].

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