Related to your 3rd link [0], we used Time Series Analysis and Its Applications [1] in my undergraduate time series class. They have a free version [2].

[0] http://www.stat.pitt.edu/stoffer/tsa3/R_toot.htm

[1] http://www.stat.pitt.edu/stoffer/tsa3/

[2] http://www.stat.pitt.edu/stoffer/tsa3/tsa3EZ.pdf