Gaya APA

Peterson, Lee. (1977). A field guide to edible wild plants Easten and Central Nort America . Boston: Houghton Mifflin.

Gaya Chicago

Peterson, Lee. A field guide to edible wild plants Easten and Central Nort America. Boston: Houghton Mifflin, 1977. Tesis.

Gaya MLA

Peterson, Lee. A field guide to edible wild plants Easten and Central Nort America. Boston: Houghton Mifflin, 1977. Tesis.

Gaya Turabian

Peterson, Lee. A field guide to edible wild plants Easten and Central Nort America. Boston: Houghton Mifflin, 1977. Tesis.