(1936). Vol. 14, № 9 (Vol. 28, № 16); Industrial and Engineering Chemistry. New Edition. 1936.
Lua i Stíl Chicago (17ú heag.)Vol. 14, № 9 (Vol. 28, № 16); Industrial and Engineering Chemistry. New Edition. 1936, 1936.
Lua MLA (9ú heag.)Vol. 14, № 9 (Vol. 28, № 16); Industrial and Engineering Chemistry. New Edition. 1936, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.