Gaya APA
Williams, R, I., Doris, L. (1962).
Encyclopedia of Accounting Systems (Volume 1 Cetakan Kelima).
United State of America:
Prentice Hall Inc.
Gaya MLA
Williams, Robert, I., Doris, Lillian.
"Encyclopedia of Accounting Systems".
Volume 1 Cetakan Kelima
United State of America:
Prentice Hall Inc,
1962.
Texts.