Gaya APA

Tjitrosoepomo, G., 2017-03-23, . (). 772151215 (PROPOSAL). PROPOSAL: 2017-03-23.

Gaya MLA

Tjitrosoepomo, Gembong., 2017-03-23, . "772151215". PROPOSAL PROPOSAL: 2017-03-23, . PKTI 1506 PUT i.