APA

Hamada R. V. H. a. D. E. W., .Invitation to mathematics. : .

Chicago

Hamada Robert Viggo Hansen and David E Williams, .Invitation to mathematics. : .

Harvard

Hamada R. V. H. a. D. E. W., .Invitation to mathematics. : .

MLA

Hamada Robert Viggo Hansen and David E Williams, .: . .