Gaya APA
Anwar, E, N. (1997).
Demographic Characteristics of Aging, In Indonesia .
Jakarta:
National Family Palnning Coordinting Board.
Gaya MLA
Anwar, Evi, Nurvidya.
"Demographic Characteristics of Aging, In Indonesia".
Jakarta:
National Family Palnning Coordinting Board,
1997.
Text.