Gaya APA
Heller, B.
(1972).
Candle making: a step-by-step guide / Blatrice Heller
.
:
Gahalad.
Gaya MLA
Heller, Beatrice.
"Candle making: a step-by-step guide / Blatrice Heller".
:
Gahalad,
1972.
Referensi.