d`Alpuget, Blanche
Turtle beach
Penguin Books, 1992
 Buku Teks
Turtle, Quentin C.
Implementing concurrent project management / Quentin C. Turtle
Prentice-Hall, 1994
 Buku Teks
Green, Jane
The beach house : a novel
Viking, 2008
 Buku Teks
Russel, Frederic A.
Textbook of salesmanship / Frederic A. Russell, Frank H. Beach
McGraw-Hill, 1955
 Buku Teks
Russell, Frederic A.
Textbook of salesmanship / Frederic A. Russell [and] Frank H. Beach
McGraw-Hill, 1959
 Buku Teks