Which of the following sources are from a magazine?

guadalupe, tirso. why house cats sleep so much. new york: just like a textbook publishing, 2008. print.

allen, gustavo. 101 reasons why people love house cats. new york: sophistication publishing, 2008. print.

primrosian, theodore. "nine thousand lives: the curious care of cats." feline medical resource 17 oct. 2010: 22–35. print.

marshall, bartholomew. "knowing the sleep patterns of dogs and cats." insights from veterinarians 26 nov. 2009: 40–52. print.

johnston, jehoshaphat. "nature knows best: when house cats sleep." pet encyclopedia online. animal interests, 14 feb. 2008. web. 8 june 2013.

taylor, stephanie. catnaps: feline sleep revealed. dallas: scientific curiosity press, 2013. print.