Παραπομπή APA

Wiliams, R. F. (1975). Shoot apex and leaf growth: Study in qualititative biology. Cambridge University Press.

Παραπομπή Chicago Style

Wiliams, R F. Shoot Apex and Leaf Growth: Study in Qualititative Biology. Cambridge: Cambridge University Press, 1975.

Παραπομπή MLA

Wiliams, R F. Shoot Apex and Leaf Growth: Study in Qualititative Biology. Cambridge University Press, 1975.