Seva, E. J. (1958). Trial hints. s.n.
Chicago Style aipamenaSeva, Ernesto J. Trial Hints. [Bacolod Cityn: s.n, 1958.
MLA aipamenaSeva, Ernesto J. Trial Hints. s.n, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Seva, E. J. (1958). Trial hints. s.n.
Chicago Style aipamenaSeva, Ernesto J. Trial Hints. [Bacolod Cityn: s.n, 1958.
MLA aipamenaSeva, Ernesto J. Trial Hints. s.n, 1958.