Putnam, D. (1901). A text-book of psychology for secondary schools. American Book Co..
Lua i Stíl Chicago (17ú heag.)Putnam, Daniel. A Text-book of Psychology for Secondary Schools. New York : Cincinnati [etc.]: American Book Co., 1901.
Lua MLA (8ú heag.)Putnam, Daniel. A Text-book of Psychology for Secondary Schools. American Book Co., 1901.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.