McDonald, Mlcolm
Marketing plans : how to prepare them, how to use them
John Wiley & Sons, 2011
 Buku Teks
Elkin, A. P.
The Australian Aborigines : how to understand them
Angus and Robertson, 1966
 Buku Teks
Elkin, A. P.
The Australian aborigines : how to understand them
Angus and Robertson, 1956
 Buku Teks
Schmude, Richard
Artificial satellites and how to observe them
[Springer, ], 2012
 eBooks
Harrison, Ken M.
Grating spectroscopes and how to use them
[Springer, ], 2012
 eBooks