Gaya APA

Harahap, A, E. (1942). DJAWAB MEMEGANG BUKU DJILID IV . : EFFENDIHARAHAP BOOKSTORE.

Gaya MLA

Harahap, A., Effendi. "DJAWAB MEMEGANG BUKU DJILID IV". : EFFENDIHARAHAP BOOKSTORE, 1942. Text.