Nikolov, R., Sendova, E., & Sendov, B. (1989). Nachala informatiki: ︠i︡azyk Logo. "Nauka," Glav. red. fiziko-matematicheskoĭ lit-ry.
Chicago Style (17th ed.) CitationNikolov, R., Eugenia Sendova, and Blagovest Sendov. Nachala Informatiki: ︠i︡azyk Logo. Moskva: "Nauka," Glav. red. fiziko-matematicheskoĭ lit-ry, 1989.
MLA (8th ed.) CitationNikolov, R., et al. Nachala Informatiki: ︠i︡azyk Logo. "Nauka," Glav. red. fiziko-matematicheskoĭ lit-ry, 1989.
Warning: These citations may not always be 100% accurate.