@book{179657,
	author = {Havronina, Serafima Alekseevna and Harlamova, Lûdmila Aleksandrovna},
	title = {Praktičeskij kurs russkogo âzyka dlâ rabotnikov servisa},
	publisher = {Rus. Âz. Kursy},
	year = {2007},
	address = {Moskva}
}