Gaya APA
Kelkar, V, S., Sewell, R, T. (1987).
Fundamentals of the analysis and design of shell structures .
Englewood:
Printice Hall.
Gaya MLA
Kelkar, Vasant, S.., Sewell, Robert, T..
"Fundamentals of the analysis and design of shell structures".
Englewood:
Printice Hall,
1987.
Text.