STEINBERG, M. T. (1994). Answer key to Robert Krohn's: Engliish sentence structure. Binarupa Aksara.
Lua i Stíl Chicago (17ú heag.)STEINBERG, Miho Tanaka. Answer Key to Robert Krohn's: Engliish Sentence Structure. Jakarta: Binarupa Aksara, 1994.
Lua MLA (9ú heag.)STEINBERG, Miho Tanaka. Answer Key to Robert Krohn's: Engliish Sentence Structure. Binarupa Aksara, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.