Gaya APA
Boyce, William E. (1992).
Elementary differential equations .
Canada:
John Wiley & Sons, Inc.
Gaya Chicago
Boyce, William E.
Elementary differential equations.
Canada:
John Wiley & Sons, Inc,
1992.
Text.
Gaya MLA
Boyce, William E.
Elementary differential equations.
Canada:
John Wiley & Sons, Inc,
1992.
Text.
Gaya Turabian
Boyce, William E.
Elementary differential equations.
Canada:
John Wiley & Sons, Inc,
1992.
Print.