Lua APA (7ú heag.)

Haggard, H. W. (1937). Staying young beyond your years. Funk and Wagnalls company.

Lua i Stíl Chicago (17ú heag.)

Haggard, Howard Wilcox. Staying Young Beyond Your Years. New York: Funk and Wagnalls company, 1937.

Lua MLA (9ú heag.)

Haggard, Howard Wilcox. Staying Young Beyond Your Years. Funk and Wagnalls company, 1937.

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