Layton, I. (1967). Periods of the moon: Poems / by Irving Layton. McClelland & Stewart.
Lua i Stíl Chicago (17ú heag.)Layton, Irving. Periods of the Moon: Poems / by Irving Layton. Toronto, Ont. [u.a.]: McClelland & Stewart, 1967.
Lua MLA (8ú heag.)Layton, Irving. Periods of the Moon: Poems / by Irving Layton. McClelland & Stewart, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.