Gaya APA
FOX, M, S, (., ELFFERS, J. (1973).
Tangram : the ancient chinese sharpes game .
New Zealand:
Penguin Books.
Gaya MLA
FOX, Milton, S., (ed.)., ELFFERS, Joost.
"Tangram : the ancient chinese sharpes game".
New Zealand:
Penguin Books,
1973.
Buku Teks.