Editions of Principles of systems

Paperback, 387 pages

English language

Published Dec. 20, 1968 by Pegasus Communications.

Paperback, 392 pages

English language

Published June 19, 1968 by Mit Pr.

300 pages

French language

Published March 19, 1981 by Presses universitaires de Lyon.

French language

Published March 19, 1984 by Presses universitaires de Lyon.

English language

Published March 19, 1969 by Wright-Allen Press.

English language

Published March 19, 1968 by Wright-Allen Press.