Gaya APA

Poospo, B, B., Sarumpaet, R. (1976). Etiket Bergaul (Cet. 2). Bandng: Indonesia Publishing House.

Gaya MLA

Poospo, Boy, Bhayangkara., Sarumpaet, R.I.. "Etiket Bergaul". Cet. 2 Bandng: Indonesia Publishing House, 1976. Text.