Lua APA (7ú heag.)

SPYRI, J. HEIDI. FRANK EURO BOOKS.

Lua i Stíl Chicago (17ú heag.)

SPYRI, JOHANNA. HEIDI. FRANK EURO BOOKS.

Lua MLA (9ú heag.)

SPYRI, JOHANNA. HEIDI. FRANK EURO BOOKS.

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