APA Style
Encyclopebee : Energy Resources. Coal. ().
Jakarta:
Pustaka Lebah.
Chicago Style
Encyclopebee : Energy Resources. Coal.
.
Jakarta:
Pustaka Lebah,
.
Printed Book.
MLA Style
Encyclopebee : Energy Resources. Coal.
.
Jakarta:
Pustaka Lebah,
.
Printed Book.
Turabian Style
Encyclopebee : Energy Resources. Coal.
Jakarta:
Pustaka Lebah,
.
Printed Book.