Gaya APA
Purbodiningrat, ., Purbodiningrat, G, U.
().
Ensiklopedia sains jilid 2
.
Jakarta:
PT. Aries Lima Jakarta.
Gaya MLA
Purbodiningrat, ., Purbodiningrat, Geino, U..
"Ensiklopedia sains jilid 2".
Jakarta:
PT. Aries Lima Jakarta,
.
Text.