Gaya APA
Sanchez, Custodiosa A.. (1980).
Methods and techniques of research .
Manila:
Rex Book.
Gaya Chicago
Sanchez, Custodiosa A..
Methods and techniques of research.
Manila:
Rex Book,
1980.
Buku.
Gaya MLA
Sanchez, Custodiosa A..
Methods and techniques of research.
Manila:
Rex Book,
1980.
Buku.
Gaya Turabian
Sanchez, Custodiosa A..
Methods and techniques of research.
Manila:
Rex Book,
1980.
Buku.