Gaya APA
A. M. Gleason, R. E. Greenwood, l. M. Kelly. (1980).
The William Lowell Putnam mathematical competition problems and solutions : 1938-1964 .
United State of America:
The Mathematical Assosiation of America.
Gaya Chicago
A. M. Gleason, R. E. Greenwood, l. M. Kelly.
The William Lowell Putnam mathematical competition problems and solutions : 1938-1964.
United State of America:
The Mathematical Assosiation of America,
1980.
Text.
Gaya MLA
A. M. Gleason, R. E. Greenwood, l. M. Kelly.
The William Lowell Putnam mathematical competition problems and solutions : 1938-1964.
United State of America:
The Mathematical Assosiation of America,
1980.
Text.
Gaya Turabian
A. M. Gleason, R. E. Greenwood, l. M. Kelly.
The William Lowell Putnam mathematical competition problems and solutions : 1938-1964.
United State of America:
The Mathematical Assosiation of America,
1980.
Print.