Gaya APA
Siagian., H, A, G. (1962).
Djakarta guide, a year-round vacation city, photographs by Knouw Goan Seng. .
Djakarta:
Gunung Agung.
Gaya MLA
Siagian., Harjati, And, Gajus.
"Djakarta guide, a year-round vacation city, photographs by Knouw Goan Seng. ".
Djakarta:
Gunung Agung,
1962.
Buku.