Gaya APA
Hughes, R. (2001).
Suara surga, simfoni bumi (original title : sound of heaven, symphony of earth) .
Jakarta:
Nafiri Gabriel.
Gaya MLA
Hughes, Ray.
"Suara surga, simfoni bumi (original title : sound of heaven, symphony of earth)".
Jakarta:
Nafiri Gabriel,
2001.
Text.