Whitw
Buku Teks
Wircenski, Jerry L.
American Society for Training and Development Press, 2005
eBooks
Executing Agency of Rehabilitation and Reconstruction for Aceh and Nias, 2009
Multimedia
Rotondo, Jennifer
McGraw-Hill, 2002
Buku Teks SO
White, Edward T.
Architectural Media, 1977
Buku Teks SO