Parker, W. M. (1965). Susan Ferrier and John Galt. Published for the British Council and the National Book League by Longmans, Green.
Lua i Stíl Chicago (17ú heag.)Parker, W. M. Susan Ferrier and John Galt. London: Published for the British Council and the National Book League by Longmans, Green, 1965.
Lua MLA (8ú heag.)Parker, W. M. Susan Ferrier and John Galt. Published for the British Council and the National Book League by Longmans, Green, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.