HALLAN, J. S., & NIRSON, J. W. (1986). A practicsl course of english grammar 1. Putera "Sidhi-Bhakti".
Lua i Stíl Chicago (17ú heag.)HALLAN, Jack S., agus John W. NIRSON. A Practicsl Course of English Grammar 1. Bandung: Putera "Sidhi-Bhakti", 1986.
Lua MLA (9ú heag.)HALLAN, Jack S., agus John W. NIRSON. A Practicsl Course of English Grammar 1. Putera "Sidhi-Bhakti", 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.