APA
Grolle C. G., . (1977). Electronic workshop manual and guide. West Nyack: Parker Pub. Co.
Chicago
Grolle Carl G, . 1977. Electronic workshop manual and guide. West Nyack: Parker Pub. Co.
Harvard
Grolle C. G., . (1977). Electronic workshop manual and guide. West Nyack: Parker Pub. Co.
MLA
Grolle Carl G, . Electronic workshop manual and guide. West Nyack: Parker Pub. Co. 1977.