Gaya APA
Sales, R, D, R, D.
(1942).
The Making of Tomorrow
(
1)
.
New York, USA:
Reynal & Hitchcock.
Gaya MLA
Sales, Raoul, De, Roussy, De.
"The Making of Tomorrow".
1
New York, USA:
Reynal & Hitchcock,
1942.
Koleksi Elektronik.