Gaya APA
Simon, D. (2000).
Vital Energy: The 7 keys to Invigorate Body, Mind & Soul .
Buku Kedkteran EGC:
Elseiver Mosby.
Gaya MLA
Simon, David.
"Vital Energy: The 7 keys to Invigorate Body, Mind & Soul".
Buku Kedkteran EGC:
Elseiver Mosby,
2000.
Text.