Gaya APA
Bates, P, L, F.
(1946).
Sir Alfred Ewing
.
London:
Longmans, Green and Co. - London.
Gaya MLA
Bates, Professor, L., F..
"Sir Alfred Ewing".
London:
Longmans, Green and Co. - London,
1946.
Koleksi Elektronik.