Gaya APA
Introduction to Differential Equations. (1976).
Boston:
Houghton Mifflin Company.
Gaya Chicago
Introduction to Differential Equations.
.
Boston:
Houghton Mifflin Company,
1976.
.
Gaya MLA
Introduction to Differential Equations.
.
Boston:
Houghton Mifflin Company,
1976.
.
Gaya Turabian
Introduction to Differential Equations.
Boston:
Houghton Mifflin Company,
1976.
.