Gaya APA
Roeder, O., Mahmud, M. (1980).
Who's who in Indonesia: second revised edition (Edisi 2 cet 1).
Jakarta:
PT. Gunung Agung.
Gaya MLA
Roeder, O.G., Mahmud, Mahiddin.
"Who's who in Indonesia: second revised edition".
Edisi 2 cet 1
Jakarta:
PT. Gunung Agung,
1980.
Text.