Gaya APA
R.C.M., W, N. (1973).
The Complete handbook of plant propagation .
Mercu buana:
Macmillan Publishing Co., INC..
Gaya MLA
R.C.M., Wright, Ndh,.
"The Complete handbook of plant propagation".
Mercu buana:
Macmillan Publishing Co., INC.,
1973.
Text.