Scabell, G., & Vogeler, M. (2024). Martha Vogeler: Gudrun Scabell. Martha Vogeler / Scabell, Gudrun ; Band 3.
Lua i Stíl Chicago (17ú heag.)Scabell, Gudrun, agus Martha Vogeler. "Martha Vogeler: Gudrun Scabell." Martha Vogeler / Scabell, Gudrun ; Band 3 2024.
Lua MLA (8ú heag.)Scabell, Gudrun, agus Martha Vogeler. "Martha Vogeler: Gudrun Scabell." Martha Vogeler / Scabell, Gudrun ; Band 3, 2024.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.