Cita APA (7th ed.)

HALLAN, J. S., & NIRSON, J. W. (1986). A practicsl course of english grammar 1. Putera "Sidhi-Bhakti".

Cita Chicago (17th ed.)

HALLAN, Jack S., i John W. NIRSON. A Practicsl Course of English Grammar 1. Bandung: Putera "Sidhi-Bhakti", 1986.

Cita MLA (9th ed.)

HALLAN, Jack S., i John W. NIRSON. A Practicsl Course of English Grammar 1. Putera "Sidhi-Bhakti", 1986.