Gaya APA
Pirnot, T.
(2011).
Mathematics All Around : Tom Pirnot
(
ed. 4)
.
USA:
Cram 101.Inc.
Gaya MLA
Pirnot, Tom.
"Mathematics All Around : Tom Pirnot".
ed. 4
USA:
Cram 101.Inc,
2011.
Buku.