Freedman, D. (1972). Approximating countable Markov chains. Holden-Day.
Dyfyniad Arddull ChicagoFreedman, David. Approximating Countable Markov Chains. San Francisco: Holden-Day, 1972.
Dyfyniad MLAFreedman, David. Approximating Countable Markov Chains. Holden-Day, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.