APA
Olsen George H, . (1977). Morden Electronics make simple. W H Allen, london: .
Chicago
Olsen George H, . 1977. Morden Electronics make simple. W H Allen, london: .
Harvard
Olsen George H, . (1977). Morden Electronics make simple. W H Allen, london: .
MLA
Olsen George H, . Morden Electronics make simple. W H Allen, london: . 1977.