Lua APA (7ú heag.)

SHERWOOD,PIGFORD. (1952). ABSORPTION AND EXTRACTION. MC GRAW HILL.

Lua i Stíl Chicago (17ú heag.)

SHERWOOD,PIGFORD. ABSORPTION AND EXTRACTION. NEW YORK: MC GRAW HILL, 1952.

Lua MLA (9ú heag.)

SHERWOOD,PIGFORD. ABSORPTION AND EXTRACTION. MC GRAW HILL, 1952.

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